672563829 has 8 divisors (see below), whose sum is σ = 1024859200. Its totient is φ = 384322176.

The previous prime is 672563821. The next prime is 672563839. The reversal of 672563829 is 928365276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 672563829 - 2³ = 672563821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672563821) 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, 16013404 + ... + 16013445.

It is an arithmetic number, because the mean of its divisors is an integer number (128107400).

Almost surely, 2^672563829 is an apocalyptic number.

It is an amenable number.

672563829 is a deficient number, since it is larger than the sum of its proper divisors (352295371).

672563829 is a wasteful number, since it uses less digits than its factorization.

672563829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32026859.

The product of its digits is 1088640, while the sum is 48.

The square root of 672563829 is about 25933.8356013915. The cubic root of 672563829 is about 876.1487297248.

The spelling of 672563829 in words is "six hundred seventy-two million, five hundred sixty-three thousand, eight hundred twenty-nine".