17972472 has 32 divisors (see below), whose sum is σ = 51350400. Its totient is φ = 5134944.

The previous prime is 17972429. The next prime is 17972503. The reversal of 17972472 is 27427971.

It is a self number, because there is not a number n which added to its sum of digits gives 17972472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53322 + ... + 53657.

It is an arithmetic number, because the mean of its divisors is an integer number (1604700).

Almost surely, 2^17972472 is an apocalyptic number.

17972472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17972472 is an abundant number, since it is smaller than the sum of its proper divisors (33377928).

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

17972472 is a wasteful number, since it uses less digits than its factorization.

17972472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106995 (or 106991 counting only the distinct ones).

The product of its digits is 49392, while the sum is 39.

The square root of 17972472 is about 4239.3952398898. The cubic root of 17972472 is about 261.9404716845.

The spelling of 17972472 in words is "seventeen million, nine hundred seventy-two thousand, four hundred seventy-two".