74113569 has 16 divisors (see below), whose sum is σ = 110809600. Its totient is φ = 48953808.

The previous prime is 74113561. The next prime is 74113573. The reversal of 74113569 is 96531147.

It is not a de Polignac number, because 74113569 - 2³ = 74113561 is a prime.

It is a super-2 number, since 2×74113569² = 10985642219835522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74113561) 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 15 ways as a sum of consecutive naturals, for example, 9649 + ... + 15534.

It is an arithmetic number, because the mean of its divisors is an integer number (6925600).

Almost surely, 2^74113569 is an apocalyptic number.

It is an amenable number.

74113569 is a deficient number, since it is larger than the sum of its proper divisors (36696031).

74113569 is a wasteful number, since it uses less digits than its factorization.

74113569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25301 (or 25295 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 74113569 is about 8608.9238003365. The cubic root of 74113569 is about 420.0483107693.

The spelling of 74113569 in words is "seventy-four million, one hundred thirteen thousand, five hundred sixty-nine".