375645404 has 6 divisors (see below), whose sum is σ = 657379464. Its totient is φ = 187822700.

The previous prime is 375645373. The next prime is 375645421. The reversal of 375645404 is 404546573.

It is a happy number.

It is a super-2 number, since 2×375645404² = 282218939092646432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46955672 + ... + 46955679.

It is an arithmetic number, because the mean of its divisors is an integer number (109563244).

Almost surely, 2^375645404 is an apocalyptic number.

It is an amenable number.

375645404 is a deficient number, since it is larger than the sum of its proper divisors (281734060).

375645404 is a wasteful number, since it uses less digits than its factorization.

375645404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93911355 (or 93911353 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 375645404 is about 19381.5738267046. The cubic root of 375645404 is about 721.5382518824.

The spelling of 375645404 in words is "three hundred seventy-five million, six hundred forty-five thousand, four hundred four".