18275976 has 64 divisors (see below), whose sum is σ = 51134400. Its totient is φ = 6048000.

The previous prime is 18275963. The next prime is 18275977. The reversal of 18275976 is 67957281.

It is a super-2 number, since 2×18275976² = 668022597505152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18275977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45376 + ... + 45776.

It is an arithmetic number, because the mean of its divisors is an integer number (798975).

Almost surely, 2^18275976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18275976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25567200).

18275976 is an abundant number, since it is smaller than the sum of its proper divisors (32858424).

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

18275976 is a wasteful number, since it uses less digits than its factorization.

18275976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 617 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 18275976 is about 4275.0410524345. The cubic root of 18275976 is about 263.4067256132.

The spelling of 18275976 in words is "eighteen million, two hundred seventy-five thousand, nine hundred seventy-six".