374463978 has 24 divisors (see below), whose sum is σ = 871202592. Its totient is φ = 106989624.

The previous prime is 374463961. The next prime is 374463983. The reversal of 374463978 is 879364473.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 374463978.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 636550 + ... + 637137.

It is an arithmetic number, because the mean of its divisors is an integer number (36300108).

Almost surely, 2^374463978 is an apocalyptic number.

374463978 is an abundant number, since it is smaller than the sum of its proper divisors (496738614).

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

374463978 is a wasteful number, since it uses less digits than its factorization.

374463978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273706 (or 1273699 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The square root of 374463978 is about 19351.0717532647. The cubic root of 374463978 is about 720.7810313157.

The spelling of 374463978 in words is "three hundred seventy-four million, four hundred sixty-three thousand, nine hundred seventy-eight".