74622289 has 16 divisors (see below), whose sum is σ = 86517760. Its totient is φ = 63043920.

The previous prime is 74622271. The next prime is 74622293. The reversal of 74622289 is 98222647.

It is a cyclic number.

It is not a de Polignac number, because 74622289 - 2⁹ = 74621777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74622209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263542 + ... + 263824.

It is an arithmetic number, because the mean of its divisors is an integer number (5407360).

Almost surely, 2^74622289 is an apocalyptic number.

It is an amenable number.

74622289 is a deficient number, since it is larger than the sum of its proper divisors (11895471).

74622289 is a wasteful number, since it uses less digits than its factorization.

74622289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700.

The product of its digits is 96768, while the sum is 40.

The square root of 74622289 is about 8638.4193577297. The cubic root of 74622289 is about 421.0071991141.

The spelling of 74622289 in words is "seventy-four million, six hundred twenty-two thousand, two hundred eighty-nine".