8712738 has 32 divisors (see below), whose sum is σ = 20502720. Its totient is φ = 2733120.

The previous prime is 8712727. The next prime is 8712749. The reversal of 8712738 is 8372178.

It is an interprime number because it is at equal distance from previous prime (8712727) and next prime (8712749).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

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, 3828 + ... + 5663.

It is an arithmetic number, because the mean of its divisors is an integer number (640710).

Almost surely, 2^8712738 is an apocalyptic number.

8712738 is an abundant number, since it is smaller than the sum of its proper divisors (11789982).

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

8712738 is a wasteful number, since it uses less digits than its factorization.

8712738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9519 (or 9513 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 8712738 is about 2951.7347441801. The cubic root of 8712738 is about 205.7713395817.

The spelling of 8712738 in words is "eight million, seven hundred twelve thousand, seven hundred thirty-eight".