17950972 has 24 divisors (see below), whose sum is σ = 35613200. Its totient is φ = 7848576.

The previous prime is 17950969. The next prime is 17950981. The reversal of 17950972 is 27905971.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8097 + ... + 10072.

Almost surely, 2^17950972 is an apocalyptic number.

It is an amenable number.

17950972 is a deficient number, since it is larger than the sum of its proper divisors (17662228).

17950972 is a wasteful number, since it uses less digits than its factorization.

17950972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18205 (or 18203 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 17950972 is about 4236.8587420399. The cubic root of 17950972 is about 261.8359791523.

The spelling of 17950972 in words is "seventeen million, nine hundred fifty thousand, nine hundred seventy-two".