672332254544437 has 4 divisors (see below), whose sum is σ = 674363469815296. Its totient is φ = 670301039273580.

The previous prime is 672332254544227. The next prime is 672332254544453. The reversal of 672332254544437 is 734445452233276.

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 672332254544437 - 2³¹ = 672330107060789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672332254544477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015607634933 + ... + 1015607635594.

It is an arithmetic number, because the mean of its divisors is an integer number (168590867453824).

Almost surely, 2^{672332254544437} is an apocalyptic number.

It is an amenable number.

672332254544437 is a deficient number, since it is larger than the sum of its proper divisors (2031215270859).

672332254544437 is a wasteful number, since it uses less digits than its factorization.

672332254544437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031215270858.

The product of its digits is 406425600, while the sum is 61.

The spelling of 672332254544437 in words is "six hundred seventy-two trillion, three hundred thirty-two billion, two hundred fifty-four million, five hundred forty-four thousand, four hundred thirty-seven".