672246931 has 2 divisors, whose sum is σ = 672246932. Its totient is φ = 672246930.

The previous prime is 672246899. The next prime is 672246943. The reversal of 672246931 is 139642276.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 672246931 - 2⁵ = 672246899 is a prime.

It is a super-2 number, since 2×672246931² = 903831872477837522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (672246431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336123465 + 336123466.

It is an arithmetic number, because the mean of its divisors is an integer number (336123466).

Almost surely, 2^672246931 is an apocalyptic number.

672246931 is a deficient number, since it is larger than the sum of its proper divisors (1).

672246931 is an equidigital number, since it uses as much as digits as its factorization.

672246931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 672246931 is about 25927.7251412460. The cubic root of 672246931 is about 876.0111004584.

The spelling of 672246931 in words is "six hundred seventy-two million, two hundred forty-six thousand, nine hundred thirty-one".