672430357 has 4 divisors (see below), whose sum is σ = 674806720. Its totient is φ = 670053996.

The previous prime is 672430321. The next prime is 672430361. The reversal of 672430357 is 753034276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 672430357 - 2²⁷ = 538212629 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 (672430307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187757 + ... + 1188322.

It is an arithmetic number, because the mean of its divisors is an integer number (168701680).

Almost surely, 2^672430357 is an apocalyptic number.

It is an amenable number.

672430357 is a deficient number, since it is larger than the sum of its proper divisors (2376363).

672430357 is a wasteful number, since it uses less digits than its factorization.

672430357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376362.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 672430357 is about 25931.2621559383. The cubic root of 672430357 is about 876.0907679102.

The spelling of 672430357 in words is "six hundred seventy-two million, four hundred thirty thousand, three hundred fifty-seven".