1377085474 has 16 divisors (see below), whose sum is σ = 2137865400. Its totient is φ = 664486144.

The previous prime is 1377085471. The next prime is 1377085481. The reversal of 1377085474 is 4745807731.

It can be written as a sum of positive squares in 4 ways, for example, as 983261449 + 393824025 = 31357^2 + 19845^2 .

It is not an unprimeable number, because it can be changed into a prime (1377085471) 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, 160362 + ... + 168730.

Almost surely, 2^1377085474 is an apocalyptic number.

1377085474 is a deficient number, since it is larger than the sum of its proper divisors (760779926).

1377085474 is a wasteful number, since it uses less digits than its factorization.

1377085474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11237.

The product of its (nonzero) digits is 658560, while the sum is 46.

The square root of 1377085474 is about 37109.1023065770. The cubic root of 1377085474 is about 1112.5519494994.

The spelling of 1377085474 in words is "one billion, three hundred seventy-seven million, eighty-five thousand, four hundred seventy-four".