374942565 has 24 divisors (see below), whose sum is σ = 688131288. Its totient is φ = 188206080.

The previous prime is 374942549. The next prime is 374942587. The reversal of 374942565 is 565249473.

374942565 is a `hidden beast` number, since 3 + 7 + 49 + 42 + 565 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 210308004 + 164634561 = 14502^2 + 12831^2 .

It is not a de Polignac number, because 374942565 - 2⁴ = 374942549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 374942565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244296 + ... + 245825.

It is an arithmetic number, because the mean of its divisors is an integer number (28672137).

Almost surely, 2^374942565 is an apocalyptic number.

It is an amenable number.

374942565 is a deficient number, since it is larger than the sum of its proper divisors (313188723).

374942565 is a wasteful number, since it uses less digits than its factorization.

374942565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490149 (or 490146 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 374942565 is about 19363.4337089267. The cubic root of 374942565 is about 721.0879674499.

The spelling of 374942565 in words is "three hundred seventy-four million, nine hundred forty-two thousand, five hundred sixty-five".