672945371 has 12 divisors (see below), whose sum is σ = 787511088. Its totient is φ = 573349392.

The previous prime is 672945367. The next prime is 672945373. The reversal of 672945371 is 173549276.

It is not a de Polignac number, because 672945371 - 2² = 672945367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672945373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32936 + ... + 49301.

It is an arithmetic number, because the mean of its divisors is an integer number (65625924).

Almost surely, 2^672945371 is an apocalyptic number.

672945371 is a deficient number, since it is larger than the sum of its proper divisors (114565717).

672945371 is a wasteful number, since it uses less digits than its factorization.

672945371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82418 (or 82411 counting only the distinct ones).

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

The square root of 672945371 is about 25941.1906241791. The cubic root of 672945371 is about 876.3143766275.

The spelling of 672945371 in words is "six hundred seventy-two million, nine hundred forty-five thousand, three hundred seventy-one".