672490679 has 8 divisors (see below), whose sum is σ = 769691520. Its totient is φ = 575572536.

The previous prime is 672490669. The next prime is 672490681. The reversal of 672490679 is 976094276.

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

It is not a de Polignac number, because 672490679 - 2²⁰ = 671442103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672490639) 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, 65549 + ... + 75110.

It is an arithmetic number, because the mean of its divisors is an integer number (96211440).

Almost surely, 2^672490679 is an apocalyptic number.

672490679 is a deficient number, since it is larger than the sum of its proper divisors (97200841).

672490679 is a wasteful number, since it uses less digits than its factorization.

672490679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141349.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 672490679 is about 25932.4252433127. The cubic root of 672490679 is about 876.1169644110.

The spelling of 672490679 in words is "six hundred seventy-two million, four hundred ninety thousand, six hundred seventy-nine".