1379694774 has 16 divisors (see below), whose sum is σ = 2760020208. Its totient is φ = 459793152.

The previous prime is 1379694769. The next prime is 1379694787. The reversal of 1379694774 is 4774969731.

1379694774 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1379694774² = 3807115338805822152, which contains 22 as substring.

It is a congruent number.

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, 5034 + ... + 52770.

It is an arithmetic number, because the mean of its divisors is an integer number (172501263).

Almost surely, 2^1379694774 is an apocalyptic number.

1379694774 is an abundant number, since it is smaller than the sum of its proper divisors (1380325434).

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

1379694774 is a wasteful number, since it uses less digits than its factorization.

1379694774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52559.

The product of its digits is 8001504, while the sum is 57.

The square root of 1379694774 is about 37144.2428109660. The cubic root of 1379694774 is about 1113.2541935411.

The spelling of 1379694774 in words is "one billion, three hundred seventy-nine million, six hundred ninety-four thousand, seven hundred seventy-four".