375664 has 20 divisors (see below), whose sum is σ = 743256. Its totient is φ = 183872.

The previous prime is 375647. The next prime is 375667. The reversal of 375664 is 466573.

375664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×375664² = 282246881792, which contains 22 as substring.

Its product of digits (15120) is a multiple of the sum of its prime factors (504).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627 + ... + 1069.

2³⁷⁵⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

375664 is a deficient number, since it is larger than the sum of its proper divisors (367592).

375664 is a wasteful number, since it uses less digits than its factorization.

375664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 498 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 375664 is about 612.9143496444. The cubic root of 375664 is about 72.1550158061.

Subtracting 375664 from its reverse (466573), we obtain a palindrome (90909).

The spelling of 375664 in words is "three hundred seventy-five thousand, six hundred sixty-four".