1372742742 has 48 divisors (see below), whose sum is σ = 3361832640. Its totient is φ = 371567952.

The previous prime is 1372742687. The next prime is 1372742743. The reversal of 1372742742 is 2472472731.

It is a self number, because there is not a number n which added to its sum of digits gives 1372742742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372742743) 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, 117288 + ... + 128459.

It is an arithmetic number, because the mean of its divisors is an integer number (70038180).

Almost surely, 2^1372742742 is an apocalyptic number.

1372742742 is an abundant number, since it is smaller than the sum of its proper divisors (1989089898).

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

1372742742 is a wasteful number, since it uses less digits than its factorization.

1372742742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245785 (or 245778 counting only the distinct ones).

The product of its digits is 131712, while the sum is 39.

The square root of 1372742742 is about 37050.5430729429. The cubic root of 1372742742 is about 1111.3812154147.

The spelling of 1372742742 in words is "one billion, three hundred seventy-two million, seven hundred forty-two thousand, seven hundred forty-two".