1374374816 has 24 divisors (see below), whose sum is σ = 2708398980. Its totient is φ = 686527488.

The previous prime is 1374374803. The next prime is 1374374831. The reversal of 1374374816 is 6184734731.

It can be written as a sum of positive squares in 2 ways, for example, as 1285939600 + 88435216 = 35860^2 + 9404^2 .

It is a super-2 number, since 2×1374374816² = 3777812269710067712, which contains 22 as substring.

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, 14120 + ... + 54296.

Almost surely, 2^1374374816 is an apocalyptic number.

1374374816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1374374816 is a deficient number, since it is larger than the sum of its proper divisors (1334024164).

1374374816 is a wasteful number, since it uses less digits than its factorization.

1374374816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41256 (or 41248 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 1374374816 is about 37072.5614976899. The cubic root of 1374374816 is about 1111.8214867937.

The spelling of 1374374816 in words is "one billion, three hundred seventy-four million, three hundred seventy-four thousand, eight hundred sixteen".