39328725 has 24 divisors (see below), whose sum is σ = 65551360. Its totient is φ = 20805120.

The previous prime is 39328687. The next prime is 39328733. The reversal of 39328725 is 52782393.

39328725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39328725 - 2²⁰ = 38280149 is a prime.

It is a super-2 number, since 2×39328725² = 3093497220251250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7461 + ... + 11589.

Almost surely, 2^39328725 is an apocalyptic number.

It is an amenable number.

39328725 is a deficient number, since it is larger than the sum of its proper divisors (26222635).

39328725 is a wasteful number, since it uses less digits than its factorization.

39328725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269 (or 4264 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 39328725 is about 6271.2618347506. The cubic root of 39328725 is about 340.0712797498.

The spelling of 39328725 in words is "thirty-nine million, three hundred twenty-eight thousand, seven hundred twenty-five".