74040378 has 24 divisors (see below), whose sum is σ = 156289248. Its totient is φ = 23380488.

The previous prime is 74040361. The next prime is 74040413. The reversal of 74040378 is 87304047.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14926 + ... + 19257.

It is an arithmetic number, because the mean of its divisors is an integer number (6512052).

Almost surely, 2^74040378 is an apocalyptic number.

74040378 is an abundant number, since it is smaller than the sum of its proper divisors (82248870).

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

74040378 is a wasteful number, since it uses less digits than its factorization.

74040378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34226 (or 34207 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 74040378 is about 8604.6718705596. The cubic root of 74040378 is about 419.9099920501.

The spelling of 74040378 in words is "seventy-four million, forty thousand, three hundred seventy-eight".