74373378 has 16 divisors (see below), whose sum is σ = 149115360. Its totient is φ = 24729696.

The previous prime is 74373373. The next prime is 74373407. The reversal of 74373378 is 87337347.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74373373) 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, 12700 + ... + 17607.

It is an arithmetic number, because the mean of its divisors is an integer number (9319710).

Almost surely, 2^74373378 is an apocalyptic number.

74373378 is an abundant number, since it is smaller than the sum of its proper divisors (74741982).

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

74373378 is a wasteful number, since it uses less digits than its factorization.

74373378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30721.

The product of its digits is 296352, while the sum is 42.

The square root of 74373378 is about 8624.0001159555. Note that the first 3 decimals coincide. The cubic root of 74373378 is about 420.5385721245.

The spelling of 74373378 in words is "seventy-four million, three hundred seventy-three thousand, three hundred seventy-eight".