7257056928 has 96 divisors (see below), whose sum is σ = 20826408960. Its totient is φ = 2194364160.

The previous prime is 7257056921. The next prime is 7257057007. The reversal of 7257056928 is 8296507527.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (7257056921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498651 + ... + 512997.

It is an arithmetic number, because the mean of its divisors is an integer number (216941760).

Almost surely, 2^7257056928 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 7257056928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10413204480).

7257056928 is an abundant number, since it is smaller than the sum of its proper divisors (13569352032).

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

7257056928 is a wasteful number, since it uses less digits than its factorization.

7257056928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14850 (or 14842 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 7257056928 is about 85188.3614585936. The cubic root of 7257056928 is about 1936.0660821421.

The spelling of 7257056928 in words is "seven billion, two hundred fifty-seven million, fifty-six thousand, nine hundred twenty-eight".