1372673544 has 128 divisors (see below), whose sum is σ = 3972672000. Its totient is φ = 390873600.

The previous prime is 1372673539. The next prime is 1372673579. The reversal of 1372673544 is 4453762731.

It is a junction number, because it is equal to n+sod(n) for n = 1372673496 and 1372673505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 656052 + ... + 658140.

It is an arithmetic number, because the mean of its divisors is an integer number (31036500).

Almost surely, 2^1372673544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1372673544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1986336000).

1372673544 is an abundant number, since it is smaller than the sum of its proper divisors (2599998456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1372673544 is a wasteful number, since it uses less digits than its factorization.

1372673544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259 (or 2255 counting only the distinct ones).

The product of its digits is 423360, while the sum is 42.

The square root of 1372673544 is about 37049.6092287085. The cubic root of 1372673544 is about 1111.3625407213.

The spelling of 1372673544 in words is "one billion, three hundred seventy-two million, six hundred seventy-three thousand, five hundred forty-four".