672276931 has 2 divisors, whose sum is σ = 672276932. Its totient is φ = 672276930.

The previous prime is 672276893. The next prime is 672276937. The reversal of 672276931 is 139672276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 672276931 - 2¹⁵ = 672244163 is a prime.

It is a super-2 number, since 2×672276931² = 903912543909557522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (672276937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336138465 + 336138466.

It is an arithmetic number, because the mean of its divisors is an integer number (336138466).

Almost surely, 2^672276931 is an apocalyptic number.

672276931 is a deficient number, since it is larger than the sum of its proper divisors (1).

672276931 is an equidigital number, since it uses as much as digits as its factorization.

672276931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 672276931 is about 25928.3036660712. The cubic root of 672276931 is about 876.0241313557.

The spelling of 672276931 in words is "six hundred seventy-two million, two hundred seventy-six thousand, nine hundred thirty-one".