7256904992 has 48 divisors (see below), whose sum is σ = 15117147360. Its totient is φ = 3419615232.

The previous prime is 7256904983. The next prime is 7256905009. The reversal of 7256904992 is 2994096527.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86423 + ... + 148265.

It is an arithmetic number, because the mean of its divisors is an integer number (314940570).

Almost surely, 2^7256904992 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 7256904992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7558573680).

7256904992 is an abundant number, since it is smaller than the sum of its proper divisors (7860242368).

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

7256904992 is a wasteful number, since it uses less digits than its factorization.

7256904992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62065 (or 62057 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 7256904992 is about 85187.4696889161. The cubic root of 7256904992 is about 1936.0525706873.

The spelling of 7256904992 in words is "seven billion, two hundred fifty-six million, nine hundred four thousand, nine hundred ninety-two".