374726809 has 4 divisors (see below), whose sum is σ = 376051216. Its totient is φ = 373402404.

The previous prime is 374726789. The next prime is 374726819. The reversal of 374726809 is 908627473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 374726809 - 2¹⁷ = 374595737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374726819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661779 + ... + 662344.

It is an arithmetic number, because the mean of its divisors is an integer number (94012804).

Almost surely, 2^374726809 is an apocalyptic number.

It is an amenable number.

374726809 is a deficient number, since it is larger than the sum of its proper divisors (1324407).

374726809 is a wasteful number, since it uses less digits than its factorization.

374726809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324406.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 374726809 is about 19357.8616845973. The cubic root of 374726809 is about 720.9496272333.

The spelling of 374726809 in words is "three hundred seventy-four million, seven hundred twenty-six thousand, eight hundred nine".