18472968 has 32 divisors (see below), whose sum is σ = 51314400. Its totient is φ = 6157584.

The previous prime is 18472963. The next prime is 18472969. The reversal of 18472968 is 86927481.

It is not an unprimeable number, because it can be changed into a prime (18472963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42546 + ... + 42977.

It is an arithmetic number, because the mean of its divisors is an integer number (1603575).

Almost surely, 2^18472968 is an apocalyptic number.

18472968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18472968 is an abundant number, since it is smaller than the sum of its proper divisors (32841432).

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

18472968 is a wasteful number, since it uses less digits than its factorization.

18472968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85538 (or 85528 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 18472968 is about 4298.0190785989. The cubic root of 18472968 is about 264.3497430728.

The spelling of 18472968 in words is "eighteen million, four hundred seventy-two thousand, nine hundred sixty-eight".