64725372 has 24 divisors (see below), whose sum is σ = 167806800. Its totient is φ = 21575088.

The previous prime is 64725337. The next prime is 64725373. The reversal of 64725372 is 27352746.

It is a happy number.

64725372 is a `hidden beast` number, since 647 + 2 + 5 + 3 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64725373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299547 + ... + 299762.

It is an arithmetic number, because the mean of its divisors is an integer number (6991950).

Almost surely, 2^64725372 is an apocalyptic number.

It is an amenable number.

64725372 is an abundant number, since it is smaller than the sum of its proper divisors (103081428).

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

64725372 is a wasteful number, since it uses less digits than its factorization.

64725372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599322 (or 599314 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 64725372 is about 8045.2080147129. The cubic root of 64725372 is about 401.5055180957.

The spelling of 64725372 in words is "sixty-four million, seven hundred twenty-five thousand, three hundred seventy-two".