74078146 has 16 divisors (see below), whose sum is σ = 117814176. Its totient is φ = 34812736.

The previous prime is 74078141. The next prime is 74078149. The reversal of 74078146 is 64187047.

It is not an unprimeable number, because it can be changed into a prime (74078141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43605 + ... + 45271.

It is an arithmetic number, because the mean of its divisors is an integer number (7363386).

Almost surely, 2^74078146 is an apocalyptic number.

74078146 is a deficient number, since it is larger than the sum of its proper divisors (43736030).

74078146 is a wasteful number, since it uses less digits than its factorization.

74078146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 74078146 is about 8606.8662125073. The cubic root of 74078146 is about 419.9813786151.

The spelling of 74078146 in words is "seventy-four million, seventy-eight thousand, one hundred forty-six".