672572529 has 12 divisors (see below), whose sum is σ = 975561600. Its totient is φ = 446504184.

The previous prime is 672572521. The next prime is 672572533. The reversal of 672572529 is 925275276.

672572529 is a `hidden beast` number, since 6 + 72 + 57 + 2 + 529 = 666.

It is not a de Polignac number, because 672572529 - 2³ = 672572521 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (672572521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154189 + ... + 158490.

It is an arithmetic number, because the mean of its divisors is an integer number (81296800).

Almost surely, 2^672572529 is an apocalyptic number.

It is an amenable number.

672572529 is a deficient number, since it is larger than the sum of its proper divisors (302989071).

672572529 is a wasteful number, since it uses less digits than its factorization.

672572529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312924 (or 312921 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 672572529 is about 25934.0033353896. The cubic root of 672572529 is about 876.1525075378.

The spelling of 672572529 in words is "six hundred seventy-two million, five hundred seventy-two thousand, five hundred twenty-nine".