45757725 has 48 divisors (see below), whose sum is σ = 82744704. Its totient is φ = 22176000.

The previous prime is 45757721. The next prime is 45757729. The reversal of 45757725 is 52775754.

It is an interprime number because it is at equal distance from previous prime (45757721) and next prime (45757729).

It is not a de Polignac number, because 45757725 - 2² = 45757721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45757721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68895 + ... + 69555.

It is an arithmetic number, because the mean of its divisors is an integer number (1723848).

Almost surely, 2^45757725 is an apocalyptic number.

It is an amenable number.

45757725 is a deficient number, since it is larger than the sum of its proper divisors (36986979).

45757725 is a wasteful number, since it uses less digits than its factorization.

45757725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 753 counting only the distinct ones).

The product of its digits is 343000, while the sum is 42.

The square root of 45757725 is about 6764.4456535625. The cubic root of 45757725 is about 357.6746339000.

The spelling of 45757725 in words is "forty-five million, seven hundred fifty-seven thousand, seven hundred twenty-five".