39218572 has 12 divisors (see below), whose sum is σ = 69127240. Its totient is φ = 19467936.

The previous prime is 39218567. The next prime is 39218573. The reversal of 39218572 is 27581293.

39218572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (39218573) by changing a digit.

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, 34713 + ... + 35824.

Almost surely, 2^39218572 is an apocalyptic number.

It is an amenable number.

39218572 is a deficient number, since it is larger than the sum of its proper divisors (29908668).

39218572 is a wasteful number, since it uses less digits than its factorization.

39218572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70680 (or 70678 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 39218572 is about 6262.4733133164. The cubic root of 39218572 is about 339.7534891350.

The spelling of 39218572 in words is "thirty-nine million, two hundred eighteen thousand, five hundred seventy-two".