17942372 has 24 divisors (see below), whose sum is σ = 36496320. Its totient is φ = 7558560.

The previous prime is 17942363. The next prime is 17942383. The reversal of 17942372 is 27324971.

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, 3779 + ... + 7082.

It is an arithmetic number, because the mean of its divisors is an integer number (1520680).

Almost surely, 2^17942372 is an apocalyptic number.

It is an amenable number.

17942372 is an abundant number, since it is smaller than the sum of its proper divisors (18553948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17942372 is a wasteful number, since it uses less digits than its factorization.

17942372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10931 (or 10929 counting only the distinct ones).

The product of its digits is 21168, while the sum is 35.

The square root of 17942372 is about 4235.8437176081. The cubic root of 17942372 is about 261.7941587778.

The spelling of 17942372 in words is "seventeen million, nine hundred forty-two thousand, three hundred seventy-two".