39972063 has 16 divisors (see below), whose sum is σ = 55692000. Its totient is φ = 25468800.

The previous prime is 39972061. The next prime is 39972073. The reversal of 39972063 is 36027993.

It is not a de Polignac number, because 39972063 - 2¹ = 39972061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39972061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6513 + ... + 11061.

It is an arithmetic number, because the mean of its divisors is an integer number (3480750).

Almost surely, 2^39972063 is an apocalyptic number.

39972063 is a deficient number, since it is larger than the sum of its proper divisors (15719937).

39972063 is a wasteful number, since it uses less digits than its factorization.

39972063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 39972063 is about 6322.3463207895. The cubic root of 39972063 is about 341.9155514621.

The spelling of 39972063 in words is "thirty-nine million, nine hundred seventy-two thousand, sixty-three".