1392743074 has 8 divisors (see below), whose sum is σ = 2101190940. Its totient is φ = 692346096.

The previous prime is 1392743069. The next prime is 1392743083. The reversal of 1392743074 is 4703472931.

It can be written as a sum of positive squares in 2 ways, for example, as 1379602449 + 13140625 = 37143^2 + 3625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2012289 + ... + 2012980.

Almost surely, 2^1392743074 is an apocalyptic number.

1392743074 is a deficient number, since it is larger than the sum of its proper divisors (708447866).

1392743074 is a wasteful number, since it uses less digits than its factorization.

1392743074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025444.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 1392743074 is about 37319.4731206109. The cubic root of 1392743074 is about 1116.7526776945.

The spelling of 1392743074 in words is "one billion, three hundred ninety-two million, seven hundred forty-three thousand, seventy-four".