374738645 has 8 divisors (see below), whose sum is σ = 454322904. Its totient is φ = 296699904.

The previous prime is 374738603. The next prime is 374738657. The reversal of 374738645 is 546837473.

It can be written as a sum of positive squares in 4 ways, for example, as 149768644 + 224970001 = 12238^2 + 14999^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 374738645 - 2²⁰ = 373690069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 374738645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385844 + ... + 386813.

It is an arithmetic number, because the mean of its divisors is an integer number (56790363).

Almost surely, 2^374738645 is an apocalyptic number.

It is an amenable number.

374738645 is a deficient number, since it is larger than the sum of its proper divisors (79584259).

374738645 is an equidigital number, since it uses as much as digits as its factorization.

374738645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772759.

The product of its digits is 1693440, while the sum is 47.

The square root of 374738645 is about 19358.1673977678. The cubic root of 374738645 is about 720.9572177141.

The spelling of 374738645 in words is "three hundred seventy-four million, seven hundred thirty-eight thousand, six hundred forty-five".