64036725 has 12 divisors (see below), whose sum is σ = 105874176. Its totient is φ = 34152880.

The previous prime is 64036723. The next prime is 64036733. The reversal of 64036725 is 52763046.

It is not a de Polignac number, because 64036725 - 2¹ = 64036723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64036723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426837 + ... + 426986.

It is an arithmetic number, because the mean of its divisors is an integer number (8822848).

Almost surely, 2^64036725 is an apocalyptic number.

It is an amenable number.

64036725 is a deficient number, since it is larger than the sum of its proper divisors (41837451).

64036725 is a wasteful number, since it uses less digits than its factorization.

64036725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853836 (or 853831 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 64036725 is about 8002.2949833157. The cubic root of 64036725 is about 400.0764957867.

The spelling of 64036725 in words is "sixty-four million, thirty-six thousand, seven hundred twenty-five".