38542972 has 48 divisors (see below), whose sum is σ = 76557600. Its totient is φ = 16853760.

The previous prime is 38542969. The next prime is 38542979. The reversal of 38542972 is 27924583.

38542972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38542979) 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 15 ways as a sum of consecutive naturals, for example, 91779 + ... + 92197.

It is an arithmetic number, because the mean of its divisors is an integer number (1594950).

Almost surely, 2^38542972 is an apocalyptic number.

It is an amenable number.

38542972 is a deficient number, since it is larger than the sum of its proper divisors (38014628).

38542972 is a wasteful number, since it uses less digits than its factorization.

38542972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 524 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 38542972 is about 6208.2986397241. The cubic root of 38542972 is about 337.7912532937.

The spelling of 38542972 in words is "thirty-eight million, five hundred forty-two thousand, nine hundred seventy-two".