672637051417 has 4 divisors (see below), whose sum is σ = 674669187856. Its totient is φ = 670604914980.

The previous prime is 672637051337. The next prime is 672637051421. The reversal of 672637051417 is 714150736276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 672637051417 - 2³⁹ = 122881237529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672637051447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016067723 + ... + 1016068384.

It is an arithmetic number, because the mean of its divisors is an integer number (168667296964).

Almost surely, 2^672637051417 is an apocalyptic number.

It is an amenable number.

672637051417 is a deficient number, since it is larger than the sum of its proper divisors (2032136439).

672637051417 is a wasteful number, since it uses less digits than its factorization.

672637051417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032136438.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 672637051417 in words is "six hundred seventy-two billion, six hundred thirty-seven million, fifty-one thousand, four hundred seventeen".