8131472 has 40 divisors (see below), whose sum is σ = 16498944. Its totient is φ = 3878784.

The previous prime is 8131469. The next prime is 8131477. The reversal of 8131472 is 2741318.

It is a super-2 number, since 2×8131472² = 132241673773568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8131477) 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, 36353 + ... + 36575.

Almost surely, 2^8131472 is an apocalyptic number.

It is an amenable number.

8131472 is an abundant number, since it is smaller than the sum of its proper divisors (8367472).

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

8131472 is a wasteful number, since it uses less digits than its factorization.

8131472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 321 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 8131472 is about 2851.5736006633. The cubic root of 8131472 is about 201.0896525055.

The spelling of 8131472 in words is "eight million, one hundred thirty-one thousand, four hundred seventy-two".