672572531 has 4 divisors (see below), whose sum is σ = 672694464. Its totient is φ = 672450600.

The previous prime is 672572521. The next prime is 672572533. The reversal of 672572531 is 135275276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672572531 - 2¹⁰ = 672571507 is a prime.

It is a super-2 number, since 2×672572531² = 904707618911491922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672572533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52280 + ... + 63861.

It is an arithmetic number, because the mean of its divisors is an integer number (168173616).

Almost surely, 2^672572531 is an apocalyptic number.

672572531 is a deficient number, since it is larger than the sum of its proper divisors (121933).

672572531 is a wasteful number, since it uses less digits than its factorization.

672572531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121932.

The product of its digits is 88200, while the sum is 38.

The square root of 672572531 is about 25934.0033739490. The cubic root of 672572531 is about 876.1525084063.

The spelling of 672572531 in words is "six hundred seventy-two million, five hundred seventy-two thousand, five hundred thirty-one".