672340684 has 12 divisors (see below), whose sum is σ = 1245807864. Its totient is φ = 316395584.

The previous prime is 672340663. The next prime is 672340693. The reversal of 672340684 is 486043276.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4943614 + ... + 4943749.

It is an arithmetic number, because the mean of its divisors is an integer number (103817322).

Almost surely, 2^672340684 is an apocalyptic number.

It is an amenable number.

672340684 is a deficient number, since it is larger than the sum of its proper divisors (573467180).

672340684 is a wasteful number, since it uses less digits than its factorization.

672340684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9887384 (or 9887382 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 672340684 is about 25929.5330463161. The cubic root of 672340684 is about 876.0518220283.

The spelling of 672340684 in words is "six hundred seventy-two million, three hundred forty thousand, six hundred eighty-four".