42972622 has 32 divisors (see below), whose sum is σ = 80745984. Its totient is φ = 16663200.

The previous prime is 42972613. The next prime is 42972667. The reversal of 42972622 is 22627924.

Its product of digits (24192) is a multiple of the sum of its prime divisors (1344).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39972 + ... + 41032.

It is an arithmetic number, because the mean of its divisors is an integer number (2523312).

Almost surely, 2^42972622 is an apocalyptic number.

42972622 is a deficient number, since it is larger than the sum of its proper divisors (37773362).

42972622 is a wasteful number, since it uses less digits than its factorization.

42972622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its digits is 24192, while the sum is 34.

The square root of 42972622 is about 6555.3506389819. The cubic root of 42972622 is about 350.2654367396.

The spelling of 42972622 in words is "forty-two million, nine hundred seventy-two thousand, six hundred twenty-two".