672710692 has 6 divisors (see below), whose sum is σ = 1177243718. Its totient is φ = 336355344.

The previous prime is 672710681. The next prime is 672710711. The reversal of 672710692 is 296017276.

It can be written as a sum of positive squares in only one way, i.e., 672676096 + 34596 = 25936^2 + 186^2 .

It is a super-2 number, since 2×672710692² = 905079350262237728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84088833 + ... + 84088840.

Almost surely, 2^672710692 is an apocalyptic number.

It is an amenable number.

672710692 is a deficient number, since it is larger than the sum of its proper divisors (504533026).

672710692 is a wasteful number, since it uses less digits than its factorization.

672710692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168177677 (or 168177675 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 672710692 is about 25936.6669408388. Note that the first 3 decimals coincide. The cubic root of 672710692 is about 876.2124978812.

The spelling of 672710692 in words is "six hundred seventy-two million, seven hundred ten thousand, six hundred ninety-two".