7372840320 has 160 divisors (see below), whose sum is σ = 26329929120. Its totient is φ = 1966076928.

The previous prime is 7372840309. The next prime is 7372840327. The reversal of 7372840320 is 230482737.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7372840327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19272 + ... + 122951.

It is an arithmetic number, because the mean of its divisors is an integer number (164562057).

Almost surely, 2^7372840320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7372840320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13164964560).

7372840320 is an abundant number, since it is smaller than the sum of its proper divisors (18957088800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7372840320 is a wasteful number, since it uses less digits than its factorization.

7372840320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142254 (or 142233 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 7372840320 is about 85865.2451228086. The cubic root of 7372840320 is about 1946.3081865282.

The spelling of 7372840320 in words is "seven billion, three hundred seventy-two million, eight hundred forty thousand, three hundred twenty".