375640 has 16 divisors (see below), whose sum is σ = 845280. Its totient is φ = 150240.

The previous prime is 375631. The next prime is 375643. The reversal of 375640 is 46573.

375640 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 2×375640² = 282210819200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375643) by changing a digit.

375640 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 4656 + ... + 4735.

It is an arithmetic number, because the mean of its divisors is an integer number (52830).

2³⁷⁵⁶⁴⁰ is an apocalyptic number.

It is an amenable number.

375640 is an abundant number, since it is smaller than the sum of its proper divisors (469640).

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

375640 is a wasteful number, since it uses less digits than its factorization.

375640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9402 (or 9398 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 375640 is about 612.8947707396. The cubic root of 375640 is about 72.1534791872.

The spelling of 375640 in words is "three hundred seventy-five thousand, six hundred forty".