74115999 has 16 divisors (see below), whose sum is σ = 110037600. Its totient is φ = 49304448.

The previous prime is 74115997. The next prime is 74116087. The reversal of 74115999 is 99951147.

It is not a de Polignac number, because 74115999 - 2¹ = 74115997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74115997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11047 + ... + 16439.

It is an arithmetic number, because the mean of its divisors is an integer number (6877350).

Almost surely, 2^74115999 is an apocalyptic number.

74115999 is a deficient number, since it is larger than the sum of its proper divisors (35921601).

74115999 is a wasteful number, since it uses less digits than its factorization.

74115999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911 (or 5905 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 74115999 is about 8609.0649318030. The cubic root of 74115999 is about 420.0529014997.

The spelling of 74115999 in words is "seventy-four million, one hundred fifteen thousand, nine hundred ninety-nine".