39913070 has 16 divisors (see below), whose sum is σ = 72083088. Its totient is φ = 15912000.

The previous prime is 39913063. The next prime is 39913099. The reversal of 39913070 is 7031993.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3431 + ... + 9570.

It is an arithmetic number, because the mean of its divisors is an integer number (4505193).

Almost surely, 2^39913070 is an apocalyptic number.

39913070 is a deficient number, since it is larger than the sum of its proper divisors (32170018).

39913070 is a wasteful number, since it uses less digits than its factorization.

39913070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13315.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 39913070 is about 6317.6791624773. The cubic root of 39913070 is about 341.7472626312.

The spelling of 39913070 in words is "thirty-nine million, nine hundred thirteen thousand, seventy".