7656057372 has 72 divisors (see below), whose sum is σ = 19975728640. Its totient is φ = 2275464960.

The previous prime is 7656057347. The next prime is 7656057373. The reversal of 7656057372 is 2737506567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7656057373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7797 + ... + 123987.

Almost surely, 2^7656057372 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 7656057372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9987864320).

7656057372 is an abundant number, since it is smaller than the sum of its proper divisors (12319671268).

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

7656057372 is a wasteful number, since it uses less digits than its factorization.

7656057372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116251 (or 116232 counting only the distinct ones).

The product of its (nonzero) digits is 1852200, while the sum is 48.

The square root of 7656057372 is about 87498.8992616479. The cubic root of 7656057372 is about 1970.9172613518.

The spelling of 7656057372 in words is "seven billion, six hundred fifty-six million, fifty-seven thousand, three hundred seventy-two".