64352725 has 12 divisors (see below), whose sum is σ = 81654496. Its totient is φ = 50284080.

The previous prime is 64352723. The next prime is 64352741. The reversal of 64352725 is 52725346.

It is not a de Polignac number, because 64352725 - 2¹ = 64352723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64352723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28857 + ... + 31006.

Almost surely, 2^64352725 is an apocalyptic number.

It is an amenable number.

64352725 is a deficient number, since it is larger than the sum of its proper divisors (17301771).

64352725 is a wasteful number, since it uses less digits than its factorization.

64352725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59916 (or 59911 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 64352725 is about 8022.0150211777. The cubic root of 64352725 is about 400.7334978800.

The spelling of 64352725 in words is "sixty-four million, three hundred fifty-two thousand, seven hundred twenty-five".