374909845 has 4 divisors (see below), whose sum is σ = 449891820. Its totient is φ = 299927872.

The previous prime is 374909833. The next prime is 374909849. The reversal of 374909845 is 548909473.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137780644 + 237129201 = 11738^2 + 15399^2 .

It is a cyclic number.

It is not a de Polignac number, because 374909845 - 2¹⁵ = 374877077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374909849) 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, 37490980 + ... + 37490989.

It is an arithmetic number, because the mean of its divisors is an integer number (112472955).

Almost surely, 2^374909845 is an apocalyptic number.

It is an amenable number.

374909845 is a deficient number, since it is larger than the sum of its proper divisors (74981975).

374909845 is an equidigital number, since it uses as much as digits as its factorization.

374909845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74981974.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 374909845 is about 19362.5887990217. The cubic root of 374909845 is about 721.0669911842.

The spelling of 374909845 in words is "three hundred seventy-four million, nine hundred nine thousand, eight hundred forty-five".