378391074 has 8 divisors (see below), whose sum is σ = 756782160. Its totient is φ = 126130356.

The previous prime is 378391019. The next prime is 378391087. The reversal of 378391074 is 470193873.

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

378391074 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31532584 + ... + 31532595.

It is an arithmetic number, because the mean of its divisors is an integer number (94597770).

Almost surely, 2^378391074 is an apocalyptic number.

378391074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

378391074 is a wasteful number, since it uses less digits than its factorization.

378391074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63065184.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 378391074 is about 19452.2768333170. The cubic root of 378391074 is about 723.2919435686.

The spelling of 378391074 in words is "three hundred seventy-eight million, three hundred ninety-one thousand, seventy-four".