8136972 has 18 divisors (see below), whose sum is σ = 20568548. Its totient is φ = 2712312.

The previous prime is 8136967. The next prime is 8136977. The reversal of 8136972 is 2796318.

It is an interprime number because it is at equal distance from previous prime (8136967) and next prime (8136977).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 226027 = 8136972 / (8 + 1 + 3 + 6 + 9 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (8136977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112978 + ... + 113049.

Almost surely, 2^8136972 is an apocalyptic number.

It is an amenable number.

8136972 is an abundant number, since it is smaller than the sum of its proper divisors (12431576).

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

8136972 is a wasteful number, since it uses less digits than its factorization.

8136972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226037 (or 226032 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 8136972 is about 2852.5378174531. The cubic root of 8136972 is about 201.1349802487.

The spelling of 8136972 in words is "eight million, one hundred thirty-six thousand, nine hundred seventy-two".