374972138 has 16 divisors (see below), whose sum is σ = 574170120. Its totient is φ = 183595776.

The previous prime is 374972093. The next prime is 374972153. The reversal of 374972138 is 831279473.

It can be written as a sum of positive squares in 4 ways, for example, as 333537169 + 41434969 = 18263^2 + 6437^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57206 + ... + 63422.

Almost surely, 2^374972138 is an apocalyptic number.

374972138 is a deficient number, since it is larger than the sum of its proper divisors (199197982).

374972138 is a wasteful number, since it uses less digits than its factorization.

374972138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841.

The product of its digits is 254016, while the sum is 44.

The square root of 374972138 is about 19364.1973239275. The cubic root of 374972138 is about 721.1069251747.

The spelling of 374972138 in words is "three hundred seventy-four million, nine hundred seventy-two thousand, one hundred thirty-eight".