18375672 has 32 divisors (see below), whose sum is σ = 52502400. Its totient is φ = 5250144.

The previous prime is 18375631. The next prime is 18375677. The reversal of 18375672 is 27657381.

It is a self number, because there is not a number n which added to its sum of digits gives 18375672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18375677) 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, 54522 + ... + 54857.

It is an arithmetic number, because the mean of its divisors is an integer number (1640700).

Almost surely, 2^18375672 is an apocalyptic number.

18375672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18375672 is an abundant number, since it is smaller than the sum of its proper divisors (34126728).

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

18375672 is a wasteful number, since it uses less digits than its factorization.

18375672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109395 (or 109391 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 18375672 is about 4286.6854328257. The cubic root of 18375672 is about 263.8848211984.

It can be divided in two parts, 183 and 75672, that added together give a triangular number (75855 = T₃₈₉).

The spelling of 18375672 in words is "eighteen million, three hundred seventy-five thousand, six hundred seventy-two".