374664 has 32 divisors (see below), whose sum is σ = 954720. Its totient is φ = 122496.

The previous prime is 374653. The next prime is 374669. The reversal of 374664 is 466473.

374664 is nontrivially palindromic in base 7.

It is a super-2 number, since 2×374664² = 280746225792, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 3⁵ + 7² + 6² + 4⁸ + 6⁶ + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374669) by changing a digit.

374664 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492 + ... + 1724.

It is an arithmetic number, because the mean of its divisors is an integer number (29835).

2³⁷⁴⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

374664 is an abundant number, since it is smaller than the sum of its proper divisors (580056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

374664 is a wasteful number, since it uses less digits than its factorization.

374664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 305 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 374664 is about 612.0980313643. The cubic root of 374664 is about 72.0909344860.

Adding to 374664 its product of digits (12096), we get a triangular number (386760 = T₈₇₉).

Subtracting 374664 from its reverse (466473), we obtain a square (91809 = 303²).

The spelling of 374664 in words is "three hundred seventy-four thousand, six hundred sixty-four".