672146673 has 16 divisors (see below), whose sum is σ = 983902656. Its totient is φ = 404763840.

The previous prime is 672146639. The next prime is 672146677. The reversal of 672146673 is 376641276.

It is a happy number.

It is not a de Polignac number, because 672146673 - 2⁶ = 672146609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672146677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59686 + ... + 70047.

It is an arithmetic number, because the mean of its divisors is an integer number (61493916).

Almost surely, 2^672146673 is an apocalyptic number.

It is an amenable number.

672146673 is a deficient number, since it is larger than the sum of its proper divisors (311755983).

672146673 is a wasteful number, since it uses less digits than its factorization.

672146673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129904.

The product of its digits is 254016, while the sum is 42.

The square root of 672146673 is about 25925.7916561867. The cubic root of 672146673 is about 875.9675492556.

The spelling of 672146673 in words is "six hundred seventy-two million, one hundred forty-six thousand, six hundred seventy-three".