7257145700 has 36 divisors (see below), whose sum is σ = 17997723072. Its totient is φ = 2488164000.

The previous prime is 7257145699. The next prime is 7257145711. The reversal of 7257145700 is 75417527.

It is a super-2 number, since 2×7257145700² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5182976 + ... + 5184375.

It is an arithmetic number, because the mean of its divisors is an integer number (499936752).

Almost surely, 2^7257145700 is an apocalyptic number.

7257145700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7257145700 is an abundant number, since it is smaller than the sum of its proper divisors (10740577372).

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

7257145700 is a wasteful number, since it uses less digits than its factorization.

7257145700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10367372 (or 10367365 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 38.

The square root of 7257145700 is about 85188.8824906161. The cubic root of 7257145700 is about 1936.0739764239.

The spelling of 7257145700 in words is "seven billion, two hundred fifty-seven million, one hundred forty-five thousand, seven hundred".