672715711 has 4 divisors (see below), whose sum is σ = 682756312. Its totient is φ = 662675112.

The previous prime is 672715609. The next prime is 672715723. The reversal of 672715711 is 117517276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672715711 - 2²⁵ = 639161279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672715111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5020200 + ... + 5020333.

It is an arithmetic number, because the mean of its divisors is an integer number (170689078).

Almost surely, 2^672715711 is an apocalyptic number.

672715711 is a deficient number, since it is larger than the sum of its proper divisors (10040601).

672715711 is a wasteful number, since it uses less digits than its factorization.

672715711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040600.

The product of its digits is 20580, while the sum is 37.

The square root of 672715711 is about 25936.7636955731. The cubic root of 672715711 is about 876.2146769752.

The spelling of 672715711 in words is "six hundred seventy-two million, seven hundred fifteen thousand, seven hundred eleven".