374669945 has 24 divisors (see below), whose sum is σ = 492574488. Its totient is φ = 271918080.

The previous prime is 374669899. The next prime is 374669983. The reversal of 374669945 is 549966473.

It can be written as a sum of positive squares in 12 ways, for example, as 69538921 + 305131024 = 8339^2 + 17468^2 .

It is not a de Polignac number, because 374669945 - 2¹² = 374665849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1333205 + ... + 1333485.

It is an arithmetic number, because the mean of its divisors is an integer number (20523937).

Almost surely, 2^374669945 is an apocalyptic number.

It is an amenable number.

374669945 is a deficient number, since it is larger than the sum of its proper divisors (117904543).

374669945 is an equidigital number, since it uses as much as digits as its factorization.

374669945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 372 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 53.

The square root of 374669945 is about 19356.3928716070. The cubic root of 374669945 is about 720.9131578619.

The spelling of 374669945 in words is "three hundred seventy-four million, six hundred sixty-nine thousand, nine hundred forty-five".