17972475 has 12 divisors (see below), whose sum is σ = 29714616. Its totient is φ = 9585280.

The previous prime is 17972429. The next prime is 17972503. The reversal of 17972475 is 57427971.

It is not a de Polignac number, because 17972475 - 2⁶ = 17972411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119742 + ... + 119891.

It is an arithmetic number, because the mean of its divisors is an integer number (2476218).

Almost surely, 2^17972475 is an apocalyptic number.

17972475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

17972475 is a deficient number, since it is larger than the sum of its proper divisors (11742141).

17972475 is a wasteful number, since it uses less digits than its factorization.

17972475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239646 (or 239641 counting only the distinct ones).

The product of its digits is 123480, while the sum is 42.

The square root of 17972475 is about 4239.3955937138. The cubic root of 17972475 is about 261.9404862590.

The spelling of 17972475 in words is "seventeen million, nine hundred seventy-two thousand, four hundred seventy-five".