39975512 has 16 divisors (see below), whose sum is σ = 75039360. Its totient is φ = 19965024.

The previous prime is 39975473. The next prime is 39975553. The reversal of 39975512 is 21557993.

39975512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 39975512.

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 3 ways as a sum of consecutive naturals, for example, 6398 + ... + 10994.

It is an arithmetic number, because the mean of its divisors is an integer number (4689960).

Almost surely, 2^39975512 is an apocalyptic number.

It is an amenable number.

39975512 is a deficient number, since it is larger than the sum of its proper divisors (35063848).

39975512 is a wasteful number, since it uses less digits than its factorization.

39975512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690 (or 5686 counting only the distinct ones).

The product of its digits is 85050, while the sum is 41.

The square root of 39975512 is about 6322.6190775659. The cubic root of 39975512 is about 341.9253852704.

The spelling of 39975512 in words is "thirty-nine million, nine hundred seventy-five thousand, five hundred twelve".