672976511 has 2 divisors, whose sum is σ = 672976512. Its totient is φ = 672976510.

The previous prime is 672976487. The next prime is 672976543. The reversal of 672976511 is 115679276.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672976511 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672976571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336488255 + 336488256.

It is an arithmetic number, because the mean of its divisors is an integer number (336488256).

Almost surely, 2^672976511 is an apocalyptic number.

672976511 is a deficient number, since it is larger than the sum of its proper divisors (1).

672976511 is an equidigital number, since it uses as much as digits as its factorization.

672976511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 44.

The square root of 672976511 is about 25941.7908209900. The cubic root of 672976511 is about 876.3278933308.

The spelling of 672976511 in words is "six hundred seventy-two million, nine hundred seventy-six thousand, five hundred eleven".