672845711 has 8 divisors (see below), whose sum is σ = 690007248. Its totient is φ = 655720000.

The previous prime is 672845687. The next prime is 672845729. The reversal of 672845711 is 117548276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672845711 is a prime.

It is a super-2 number, since 2×672845711² = 905442701622191042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672845741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31361 + ... + 48261.

It is an arithmetic number, because the mean of its divisors is an integer number (86250906).

Almost surely, 2^672845711 is an apocalyptic number.

672845711 is a deficient number, since it is larger than the sum of its proper divisors (17161537).

672845711 is a wasteful number, since it uses less digits than its factorization.

672845711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17913.

The product of its digits is 94080, while the sum is 41.

The square root of 672845711 is about 25939.2696697498. The cubic root of 672845711 is about 876.2711151652.

The spelling of 672845711 in words is "six hundred seventy-two million, eight hundred forty-five thousand, seven hundred eleven".