718072344 has 128 divisors (see below), whose sum is σ = 2246400000. Its totient is φ = 210556800.

The previous prime is 718072337. The next prime is 718072349. The reversal of 718072344 is 443270817.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 718072299 and 718072308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718072349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68782 + ... + 78530.

It is an arithmetic number, because the mean of its divisors is an integer number (17550000).

Almost surely, 2^718072344 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 718072344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123200000).

718072344 is an abundant number, since it is smaller than the sum of its proper divisors (1528327656).

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

718072344 is a wasteful number, since it uses less digits than its factorization.

718072344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9806 (or 9796 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 718072344 is about 26796.8719069969. The cubic root of 718072344 is about 895.4803634211.

It can be divided in two parts, 7180 and 72344, that added together give a square (79524 = 282²).

The spelling of 718072344 in words is "seven hundred eighteen million, seventy-two thousand, three hundred forty-four".