39130972 has 6 divisors (see below), whose sum is σ = 68479208. Its totient is φ = 19565484.

The previous prime is 39130969. The next prime is 39130999. The reversal of 39130972 is 27903193.

39130972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 as a sum of consecutive naturals, namely, 4891368 + ... + 4891375.

Almost surely, 2^39130972 is an apocalyptic number.

It is an amenable number.

39130972 is a deficient number, since it is larger than the sum of its proper divisors (29348236).

39130972 is a wasteful number, since it uses less digits than its factorization.

39130972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9782747 (or 9782745 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 39130972 is about 6255.4753616332. The cubic root of 39130972 is about 339.5003387259.

The spelling of 39130972 in words is "thirty-nine million, one hundred thirty thousand, nine hundred seventy-two".