1377433874 has 16 divisors (see below), whose sum is σ = 2190094200. Its totient is φ = 647491584.

The previous prime is 1377433873. The next prime is 1377433901. The reversal of 1377433874 is 4783347731.

It can be written as a sum of positive squares in 4 ways, for example, as 620358649 + 757075225 = 24907^2 + 27515^2 .

It is not an unprimeable number, because it can be changed into a prime (1377433873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9782 + ... + 53390.

Almost surely, 2^1377433874 is an apocalyptic number.

1377433874 is a deficient number, since it is larger than the sum of its proper divisors (812660326).

1377433874 is a wasteful number, since it uses less digits than its factorization.

1377433874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44557.

The product of its digits is 1185408, while the sum is 47.

The square root of 1377433874 is about 37113.7962757786. The cubic root of 1377433874 is about 1112.6457660955.

The spelling of 1377433874 in words is "one billion, three hundred seventy-seven million, four hundred thirty-three thousand, eight hundred seventy-four".