374688561 has 32 divisors (see below), whose sum is σ = 565689600. Its totient is φ = 218870784.

The previous prime is 374688553. The next prime is 374688563. The reversal of 374688561 is 165886473.

It is not a de Polignac number, because 374688561 - 2³ = 374688553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 374688561.

It is not an unprimeable number, because it can be changed into a prime (374688563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121365 + ... + 124413.

It is an arithmetic number, because the mean of its divisors is an integer number (17677800).

Almost surely, 2^374688561 is an apocalyptic number.

It is an amenable number.

374688561 is a deficient number, since it is larger than the sum of its proper divisors (191001039).

374688561 is a wasteful number, since it uses less digits than its factorization.

374688561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225.

The product of its digits is 967680, while the sum is 48.

The square root of 374688561 is about 19356.8737403538. The cubic root of 374688561 is about 720.9250975235.

The spelling of 374688561 in words is "three hundred seventy-four million, six hundred eighty-eight thousand, five hundred sixty-one".