672394759 has 2 divisors, whose sum is σ = 672394760. Its totient is φ = 672394758.

The previous prime is 672394721. The next prime is 672394763. The reversal of 672394759 is 957493276.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672394759 is a prime.

It is a super-2 number, since 2×672394759² = 904229423861336162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672394559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336197379 + 336197380.

It is an arithmetic number, because the mean of its divisors is an integer number (336197380).

Almost surely, 2^672394759 is an apocalyptic number.

672394759 is a deficient number, since it is larger than the sum of its proper divisors (1).

672394759 is an equidigital number, since it uses as much as digits as its factorization.

672394759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 52.

The square root of 672394759 is about 25930.5757552739. The cubic root of 672394759 is about 876.0753077568.

The spelling of 672394759 in words is "six hundred seventy-two million, three hundred ninety-four thousand, seven hundred fifty-nine".