375681 has 8 divisors (see below), whose sum is σ = 506464. Its totient is φ = 247680.

The previous prime is 375673. The next prime is 375703. The reversal of 375681 is 186573.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 375681 - 2³ = 375673 is a prime.

It is a super-2 number, since 2×375681² = 282272427522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (375631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355 + ... + 936.

It is an arithmetic number, because the mean of its divisors is an integer number (63308).

2³⁷⁵⁶⁸¹ is an apocalyptic number.

It is an amenable number.

375681 is a deficient number, since it is larger than the sum of its proper divisors (130783).

375681 is a wasteful number, since it uses less digits than its factorization.

375681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its digits is 5040, while the sum is 30.

The square root of 375681 is about 612.9282176568. The cubic root of 375681 is about 72.1561042049.

The spelling of 375681 in words is "three hundred seventy-five thousand, six hundred eighty-one".