7904072456 has 32 divisors (see below), whose sum is σ = 16943004480. Its totient is φ = 3386318400.

The previous prime is 7904072441. The next prime is 7904072459. The reversal of 7904072456 is 6542704097.

It is a super-2 number, since 2×7904072456² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7904072459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155951 + ... + 200321.

It is an arithmetic number, because the mean of its divisors is an integer number (529468890).

Almost surely, 2^7904072456 is an apocalyptic number.

It is an amenable number.

7904072456 is an abundant number, since it is smaller than the sum of its proper divisors (9038932024).

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

7904072456 is a wasteful number, since it uses less digits than its factorization.

7904072456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47565 (or 47561 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 7904072456 is about 88904.8505763324. The cubic root of 7904072456 is about 1991.9738717185.

The spelling of 7904072456 in words is "seven billion, nine hundred four million, seventy-two thousand, four hundred fifty-six".