39970712 has 16 divisors (see below), whose sum is σ = 75972840. Its totient is φ = 19711296.

The previous prime is 39970691. The next prime is 39970739. The reversal of 39970712 is 21707993.

39970712 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 in 3 ways as a sum of consecutive naturals, for example, 33638 + ... + 34805.

Almost surely, 2^39970712 is an apocalyptic number.

It is an amenable number.

39970712 is a deficient number, since it is larger than the sum of its proper divisors (36002128).

39970712 is a wasteful number, since it uses less digits than its factorization.

39970712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68522 (or 68518 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 39970712 is about 6322.2394766412. The cubic root of 39970712 is about 341.9116993290.

The spelling of 39970712 in words is "thirty-nine million, nine hundred seventy thousand, seven hundred twelve".