672431579 has 8 divisors (see below), whose sum is σ = 683802000. Its totient is φ = 661146112.

The previous prime is 672431569. The next prime is 672431587. The reversal of 672431579 is 975134276.

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

It is not a de Polignac number, because 672431579 - 2¹⁶ = 672366043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672431569) 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, 5174 + ... + 37035.

It is an arithmetic number, because the mean of its divisors is an integer number (85475250).

Almost surely, 2^672431579 is an apocalyptic number.

672431579 is a deficient number, since it is larger than the sum of its proper divisors (11370421).

672431579 is a wasteful number, since it uses less digits than its factorization.

672431579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42477.

The product of its digits is 317520, while the sum is 44.

The square root of 672431579 is about 25931.2857182208. The cubic root of 672431579 is about 876.0912986132.

The spelling of 672431579 in words is "six hundred seventy-two million, four hundred thirty-one thousand, five hundred seventy-nine".