18672876 has 48 divisors (see below), whose sum is σ = 49603680. Its totient is φ = 6071040.

The previous prime is 18672859. The next prime is 18672923. The reversal of 18672876 is 67827681.

It is a super-2 number, since 2×18672876² = 697352596222752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2320 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (1033410).

Almost surely, 2^18672876 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 18672876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24801840).

18672876 is an abundant number, since it is smaller than the sum of its proper divisors (30930804).

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

18672876 is a wasteful number, since it uses less digits than its factorization.

18672876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271 (or 4263 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 18672876 is about 4321.2123298908. The cubic root of 18672876 is about 265.2998907092.

The spelling of 18672876 in words is "eighteen million, six hundred seventy-two thousand, eight hundred seventy-six".