672122865 has 8 divisors (see below), whose sum is σ = 1075396608. Its totient is φ = 358465520.

The previous prime is 672122861. The next prime is 672122921. The reversal of 672122865 is 568221276.

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

It is not a de Polignac number, because 672122865 - 2² = 672122861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672122861) 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, 22404081 + ... + 22404110.

It is an arithmetic number, because the mean of its divisors is an integer number (134424576).

Almost surely, 2^672122865 is an apocalyptic number.

It is an amenable number.

672122865 is a deficient number, since it is larger than the sum of its proper divisors (403273743).

672122865 is a wasteful number, since it uses less digits than its factorization.

672122865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44808199.

The product of its digits is 80640, while the sum is 39.

The square root of 672122865 is about 25925.3324954570. The cubic root of 672122865 is about 875.9572066312.

The spelling of 672122865 in words is "six hundred seventy-two million, one hundred twenty-two thousand, eight hundred sixty-five".