378507375 has 48 divisors (see below), whose sum is σ = 686989056. Its totient is φ = 200491200.

The previous prime is 378507359. The next prime is 378507413. The reversal of 378507375 is 573705873.

378507375 is a `hidden beast` number, since 3 + 78 + 507 + 3 + 75 = 666.

It is not a de Polignac number, because 378507375 - 2⁴ = 378507359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 378507375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175554 + ... + 177696.

It is an arithmetic number, because the mean of its divisors is an integer number (14312272).

Almost surely, 2^378507375 is an apocalyptic number.

378507375 is a deficient number, since it is larger than the sum of its proper divisors (308481681).

378507375 is a wasteful number, since it uses less digits than its factorization.

378507375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The square root of 378507375 is about 19455.2659966396. The cubic root of 378507375 is about 723.3660388326.

The spelling of 378507375 in words is "three hundred seventy-eight million, five hundred seven thousand, three hundred seventy-five".