74290266 has 24 divisors (see below), whose sum is σ = 169434720. Its totient is φ = 23459976.

The previous prime is 74290241. The next prime is 74290267. The reversal of 74290266 is 66209247.

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 74290266.

It is not an unprimeable number, because it can be changed into a prime (74290267) 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 11 ways as a sum of consecutive naturals, for example, 108270 + ... + 108953.

It is an arithmetic number, because the mean of its divisors is an integer number (7059780).

Almost surely, 2^74290266 is an apocalyptic number.

74290266 is an abundant number, since it is smaller than the sum of its proper divisors (95144454).

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

74290266 is a wasteful number, since it uses less digits than its factorization.

74290266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217250 (or 217247 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 74290266 is about 8619.1801234224. The cubic root of 74290266 is about 420.3818635891.

The spelling of 74290266 in words is "seventy-four million, two hundred ninety thousand, two hundred sixty-six".