672111607 has 2 divisors, whose sum is σ = 672111608. Its totient is φ = 672111606.

The previous prime is 672111571. The next prime is 672111611. The reversal of 672111607 is 706111276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 672111607 - 2¹⁵ = 672078839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672111617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336055803 + 336055804.

It is an arithmetic number, because the mean of its divisors is an integer number (336055804).

Almost surely, 2^672111607 is an apocalyptic number.

672111607 is a deficient number, since it is larger than the sum of its proper divisors (1).

672111607 is an equidigital number, since it uses as much as digits as its factorization.

672111607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 672111607 is about 25925.1153710065. The cubic root of 672111607 is about 875.9523158680.

The spelling of 672111607 in words is "six hundred seventy-two million, one hundred eleven thousand, six hundred seven".