374821165 has 12 divisors (see below), whose sum is σ = 451877076. Its totient is φ = 298468608.

The previous prime is 374821163. The next prime is 374821169. The reversal of 374821165 is 561128473.

It can be written as a sum of positive squares in 6 ways, for example, as 9972964 + 364848201 = 3158^2 + 19101^2 .

It is not a de Polignac number, because 374821165 - 2¹ = 374821163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374821163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383157 + ... + 384133.

It is an arithmetic number, because the mean of its divisors is an integer number (37656423).

Almost surely, 2^374821165 is an apocalyptic number.

It is an amenable number.

374821165 is a deficient number, since it is larger than the sum of its proper divisors (77055911).

374821165 is an frugal number, since it uses more digits than its factorization.

374821165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536 (or 1259 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 374821165 is about 19360.2986805473. The cubic root of 374821165 is about 721.0101337254.

The spelling of 374821165 in words is "three hundred seventy-four million, eight hundred twenty-one thousand, one hundred sixty-five".