672464305 has 16 divisors (see below), whose sum is σ = 823947264. Its totient is φ = 526726080.

The previous prime is 672464279. The next prime is 672464333. The reversal of 672464305 is 503464276.

672464305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672464305 - 2¹¹ = 672462257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63072 + ... + 72958.

It is an arithmetic number, because the mean of its divisors is an integer number (51496704).

Almost surely, 2^672464305 is an apocalyptic number.

It is an amenable number.

672464305 is a deficient number, since it is larger than the sum of its proper divisors (151482959).

672464305 is a wasteful number, since it uses less digits than its factorization.

672464305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10176.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 672464305 is about 25931.9167243765. The cubic root of 672464305 is about 876.1055109631.

The spelling of 672464305 in words is "six hundred seventy-two million, four hundred sixty-four thousand, three hundred five".