7243680 has 48 divisors (see below), whose sum is σ = 22819104. Its totient is φ = 1931520.

The previous prime is 7243673. The next prime is 7243697. The reversal of 7243680 is 863427.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7066 + ... + 8025.

It is an arithmetic number, because the mean of its divisors is an integer number (475398).

Almost surely, 2^7243680 is an apocalyptic number.

It is an amenable number.

7243680 is an abundant number, since it is smaller than the sum of its proper divisors (15575424).

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

7243680 is a wasteful number, since it uses less digits than its factorization.

7243680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15109 (or 15101 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 7243680 is about 2691.4085531558. The cubic root of 7243680 is about 193.4875767385.

The spelling of 7243680 in words is "seven million, two hundred forty-three thousand, six hundred eighty".