74099817 has 24 divisors (see below), whose sum is σ = 117093600. Its totient is φ = 44782080.

The previous prime is 74099797. The next prime is 74099819. The reversal of 74099817 is 71899047.

It is not a de Polignac number, because 74099817 - 2¹⁰ = 74098793 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74099819) 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 23 ways as a sum of consecutive naturals, for example, 43618 + ... + 45284.

It is an arithmetic number, because the mean of its divisors is an integer number (4878900).

Almost surely, 2^74099817 is an apocalyptic number.

It is an amenable number.

74099817 is a deficient number, since it is larger than the sum of its proper divisors (42993783).

74099817 is a wasteful number, since it uses less digits than its factorization.

74099817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2130 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 74099817 is about 8608.1250571771. The cubic root of 74099817 is about 420.0223287449.

The spelling of 74099817 in words is "seventy-four million, ninety-nine thousand, eight hundred seventeen".