1372742144 has 80 divisors (see below), whose sum is σ = 2887315200. Its totient is φ = 651055104.

The previous prime is 1372742131. The next prime is 1372742167. The reversal of 1372742144 is 4412472731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875249 + ... + 876815.

It is an arithmetic number, because the mean of its divisors is an integer number (36091440).

Almost surely, 2^1372742144 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 1372742144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1443657600).

1372742144 is an abundant number, since it is smaller than the sum of its proper divisors (1514573056).

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

1372742144 is an equidigital number, since it uses as much as digits as its factorization.

1372742144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1657 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 1372742144 is about 37050.5350028849. The cubic root of 1372742144 is about 1111.3810540332.

The spelling of 1372742144 in words is "one billion, three hundred seventy-two million, seven hundred forty-two thousand, one hundred forty-four".