637672023 has 24 divisors (see below), whose sum is σ = 1001630448. Its totient is φ = 389290752.

The previous prime is 637672003. The next prime is 637672037. The reversal of 637672023 is 320276736.

It is not a de Polignac number, because 637672023 - 2²⁰ = 636623447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (637672003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50661 + ... + 61982.

It is an arithmetic number, because the mean of its divisors is an integer number (41734602).

Almost surely, 2^637672023 is an apocalyptic number.

637672023 is a deficient number, since it is larger than the sum of its proper divisors (363958425).

637672023 is a wasteful number, since it uses less digits than its factorization.

637672023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112703 (or 112700 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 637672023 is about 25252.1686791452. The cubic root of 637672023 is about 860.7277160278.

The spelling of 637672023 in words is "six hundred thirty-seven million, six hundred seventy-two thousand, twenty-three".