672757445613 has 64 divisors (see below), whose sum is σ = 1069945113600. Its totient is φ = 371383004160.

The previous prime is 672757445611. The next prime is 672757445639. The reversal of 672757445613 is 316544757276.

It is not a de Polignac number, because 672757445613 - 2¹ = 672757445611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672757445611) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2501478 + ... + 2757336.

It is an arithmetic number, because the mean of its divisors is an integer number (16717892400).

Almost surely, 2^672757445613 is an apocalyptic number.

It is an amenable number.

672757445613 is a deficient number, since it is larger than the sum of its proper divisors (397187667987).

672757445613 is a wasteful number, since it uses less digits than its factorization.

672757445613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256042.

The product of its digits is 29635200, while the sum is 57.

The spelling of 672757445613 in words is "six hundred seventy-two billion, seven hundred fifty-seven million, four hundred forty-five thousand, six hundred thirteen".