7497245728 has 48 divisors (see below), whose sum is σ = 16944560640. Its totient is φ = 3198675456.

The previous prime is 7497245681. The next prime is 7497245759. The reversal of 7497245728 is 8275427947.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25093 + ... + 124996.

It is an arithmetic number, because the mean of its divisors is an integer number (353011680).

Almost surely, 2^7497245728 is an apocalyptic number.

It is an amenable number.

7497245728 is an abundant number, since it is smaller than the sum of its proper divisors (9447314912).

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

7497245728 is a wasteful number, since it uses less digits than its factorization.

7497245728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150329 (or 150321 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 55.

The square root of 7497245728 is about 86586.6371214404. The cubic root of 7497245728 is about 1957.1941776840.

The spelling of 7497245728 in words is "seven billion, four hundred ninety-seven million, two hundred forty-five thousand, seven hundred twenty-eight".