8672531 has 16 divisors (see below), whose sum is σ = 10517760. Its totient is φ = 6985440.

The previous prime is 8672527. The next prime is 8672539. The reversal of 8672531 is 1352768.

It is a happy number.

It is not a de Polignac number, because 8672531 - 2² = 8672527 is a prime.

It is a super-2 number, since 2×8672531² = 150425587891922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8672539) 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, 26036 + ... + 26366.

It is an arithmetic number, because the mean of its divisors is an integer number (657360).

Almost surely, 2^8672531 is an apocalyptic number.

8672531 is a deficient number, since it is larger than the sum of its proper divisors (1845229).

8672531 is a wasteful number, since it uses less digits than its factorization.

8672531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its digits is 10080, while the sum is 32.

The square root of 8672531 is about 2944.9161278379. The cubic root of 8672531 is about 205.4543245179.

The spelling of 8672531 in words is "eight million, six hundred seventy-two thousand, five hundred thirty-one".