672626571 has 8 divisors (see below), whose sum is σ = 903382224. Its totient is φ = 445144320.

The previous prime is 672626557. The next prime is 672626611. The reversal of 672626571 is 175626276.

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

It is not a de Polignac number, because 672626571 - 2¹¹ = 672624523 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (672626501) 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, 817870 + ... + 818691.

It is an arithmetic number, because the mean of its divisors is an integer number (112922778).

Almost surely, 2^672626571 is an apocalyptic number.

672626571 is a deficient number, since it is larger than the sum of its proper divisors (230755653).

672626571 is a wasteful number, since it uses less digits than its factorization.

672626571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636701.

The product of its digits is 211680, while the sum is 42.

The square root of 672626571 is about 25935.0452284163. The cubic root of 672626571 is about 876.1759735402.

The spelling of 672626571 in words is "six hundred seventy-two million, six hundred twenty-six thousand, five hundred seventy-one".