374728389 has 8 divisors (see below), whose sum is σ = 571014720. Its totient is φ = 214130496.

The previous prime is 374728379. The next prime is 374728499. The reversal of 374728389 is 983827473.

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

It is not a de Polignac number, because 374728389 - 2⁴ = 374728373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374728309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8922084 + ... + 8922125.

It is an arithmetic number, because the mean of its divisors is an integer number (71376840).

Almost surely, 2^374728389 is an apocalyptic number.

It is an amenable number.

374728389 is a deficient number, since it is larger than the sum of its proper divisors (196286331).

374728389 is a wasteful number, since it uses less digits than its factorization.

374728389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17844219.

The product of its digits is 2032128, while the sum is 51.

The square root of 374728389 is about 19357.9024948469. The cubic root of 374728389 is about 720.9506405037.

The spelling of 374728389 in words is "three hundred seventy-four million, seven hundred twenty-eight thousand, three hundred eighty-nine".