672111572 has 24 divisors (see below), whose sum is σ = 1302278880. Its totient is φ = 300944160.

The previous prime is 672111571. The next prime is 672111607. The reversal of 672111572 is 275111276.

672111572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×672111572² = 903467930432622368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672111571) 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, 111047 + ... + 116942.

It is an arithmetic number, because the mean of its divisors is an integer number (54261620).

Almost surely, 2^672111572 is an apocalyptic number.

It is an amenable number.

672111572 is a deficient number, since it is larger than the sum of its proper divisors (630167308).

672111572 is a wasteful number, since it uses less digits than its factorization.

672111572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228071 (or 228069 counting only the distinct ones).

The product of its digits is 5880, while the sum is 32.

The square root of 672111572 is about 25925.1146959854. The cubic root of 672111572 is about 875.9523006630.

The spelling of 672111572 in words is "six hundred seventy-two million, one hundred eleven thousand, five hundred seventy-two".