672993867 has 16 divisors (see below), whose sum is σ = 1104400640. Its totient is φ = 354985632.

The previous prime is 672993859. The next prime is 672993899. The reversal of 672993867 is 768399276.

It is a happy number.

It is not a de Polignac number, because 672993867 - 2³ = 672993859 is a prime.

It is a super-2 number, since 2×672993867² = 905841490039227378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672993847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1232317 + ... + 1232862.

It is an arithmetic number, because the mean of its divisors is an integer number (69025040).

Almost surely, 2^672993867 is an apocalyptic number.

672993867 is a deficient number, since it is larger than the sum of its proper divisors (431406773).

672993867 is a wasteful number, since it uses less digits than its factorization.

672993867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465202.

The product of its digits is 6858432, while the sum is 57.

The square root of 672993867 is about 25942.1253369881. The cubic root of 672993867 is about 876.3354267370.

The spelling of 672993867 in words is "six hundred seventy-two million, nine hundred ninety-three thousand, eight hundred sixty-seven".