6457000725 has 144 divisors (see below), whose sum is σ = 13916272000. Its totient is φ = 2934096480.

The previous prime is 6457000709. The next prime is 6457000727. The reversal of 6457000725 is 5270007546.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

6457000725 is a `hidden beast` number, since 64 + 570 + 0 + 0 + 7 + 25 = 666.

It is not a de Polignac number, because 6457000725 - 2⁴ = 6457000709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6457000725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6457000727) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 38664592 + ... + 38664758.

Almost surely, 2^6457000725 is an apocalyptic number.

It is an amenable number.

6457000725 is an abundant number, since it is smaller than the sum of its proper divisors (7459271275).

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

6457000725 is an equidigital number, since it uses as much as digits as its factorization.

6457000725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 6457000725 is about 80355.4648110507. The cubic root of 6457000725 is about 1862.1312069526.

The spelling of 6457000725 in words is "six billion, four hundred fifty-seven million, seven hundred twenty-five", and thus it is an aban number.