672938611 has 2 divisors, whose sum is σ = 672938612. Its totient is φ = 672938610.

The previous prime is 672938593. The next prime is 672938681. The reversal of 672938611 is 116839276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672938611 - 2⁵ = 672938579 is a prime.

It is not a weakly prime, because it can be changed into another prime (672938681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336469305 + 336469306.

It is an arithmetic number, because the mean of its divisors is an integer number (336469306).

Almost surely, 2^672938611 is an apocalyptic number.

672938611 is a deficient number, since it is larger than the sum of its proper divisors (1).

672938611 is an equidigital number, since it uses as much as digits as its factorization.

672938611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 672938611 is about 25941.0603291384. The cubic root of 672938611 is about 876.3114423105.

The spelling of 672938611 in words is "six hundred seventy-two million, nine hundred thirty-eight thousand, six hundred eleven".