374445 has 24 divisors (see below), whose sum is σ = 665496. Its totient is φ = 194688.

The previous prime is 374443. The next prime is 374447. The reversal of 374445 is 544473.

374445 = 4⁷ + 5⁷ + 6⁷.

It is an interprime number because it is at equal distance from previous prime (374443) and next prime (374447).

It can be written as a sum of positive squares in 4 ways, for example, as 39204 + 335241 = 198^2 + 579^2 .

It is not a de Polignac number, because 374445 - 2¹ = 374443 is a prime.

It is a d-powerful number, because it can be written as 3⁶ + 7⁵ + 4⁴ + 4⁷ + 4⁹ + 5⁷ .

374445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2307 + ... + 2463.

It is an arithmetic number, because the mean of its divisors is an integer number (27729).

2³⁷⁴⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

374445 is a deficient number, since it is larger than the sum of its proper divisors (291051).

374445 is a wasteful number, since it uses less digits than its factorization.

374445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 218 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 374445 is about 611.9191123016. The cubic root of 374445 is about 72.0768854610.

The spelling of 374445 in words is "three hundred seventy-four thousand, four hundred forty-five".