74740666 has 64 divisors (see below), whose sum is σ = 154748160. Its totient is φ = 26127360.

The previous prime is 74740613. The next prime is 74740667. The reversal of 74740666 is 66604747.

It is not an unprimeable number, because it can be changed into a prime (74740667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73570 + ... + 74578.

It is an arithmetic number, because the mean of its divisors is an integer number (2417940).

Almost surely, 2^74740666 is an apocalyptic number.

74740666 is an abundant number, since it is smaller than the sum of its proper divisors (80007494).

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

74740666 is a wasteful number, since it uses less digits than its factorization.

74740666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 74740666 is about 8645.2684168856. The cubic root of 74740666 is about 421.2297029612.

The spelling of 74740666 in words is "seventy-four million, seven hundred forty thousand, six hundred sixty-six".