672305642 has 16 divisors (see below), whose sum is σ = 1031775360. Its totient is φ = 328468608.

The previous prime is 672305639. The next prime is 672305653. The reversal of 672305642 is 246503276.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6608 + ... + 37259.

It is an arithmetic number, because the mean of its divisors is an integer number (64485960).

Almost surely, 2^672305642 is an apocalyptic number.

672305642 is a deficient number, since it is larger than the sum of its proper divisors (359469718).

672305642 is a wasteful number, since it uses less digits than its factorization.

672305642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44045.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 672305642 is about 25928.8573215250. The cubic root of 672305642 is about 876.0366019957.

The spelling of 672305642 in words is "six hundred seventy-two million, three hundred five thousand, six hundred forty-two".