74294289 has 12 divisors (see below), whose sum is σ = 107452800. Its totient is φ = 49465464.

The previous prime is 74294257. The next prime is 74294293. The reversal of 74294289 is 98249247.

It is not a de Polignac number, because 74294289 - 2⁵ = 74294257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74294219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2632 + ... + 12470.

It is an arithmetic number, because the mean of its divisors is an integer number (8954400).

Almost surely, 2^74294289 is an apocalyptic number.

It is an amenable number.

74294289 is a deficient number, since it is larger than the sum of its proper divisors (33158511).

74294289 is a wasteful number, since it uses less digits than its factorization.

74294289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10684 (or 10681 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 74294289 is about 8619.4134951283. The cubic root of 74294289 is about 420.3894516883.

The spelling of 74294289 in words is "seventy-four million, two hundred ninety-four thousand, two hundred eighty-nine".