672106057 has 8 divisors (see below), whose sum is σ = 808548800. Its totient is φ = 545770224.

The previous prime is 672106051. The next prime is 672106081. The reversal of 672106057 is 750601276.

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

It is a cyclic number.

It is not a de Polignac number, because 672106057 - 2³ = 672106049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672106051) 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, 2526582 + ... + 2526847.

It is an arithmetic number, because the mean of its divisors is an integer number (101068600).

Almost surely, 2^672106057 is an apocalyptic number.

It is an amenable number.

672106057 is a deficient number, since it is larger than the sum of its proper divisors (136442743).

672106057 is a wasteful number, since it uses less digits than its factorization.

672106057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053455.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 672106057 is about 25925.0083317248. The cubic root of 672106057 is about 875.9499047860.

The spelling of 672106057 in words is "six hundred seventy-two million, one hundred six thousand, fifty-seven".