74389299 has 8 divisors (see below), whose sum is σ = 99225600. Its totient is φ = 49572936.

The previous prime is 74389279. The next prime is 74389303. The reversal of 74389299 is 99298347.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74389299 - 2⁷ = 74389171 is a prime.

It is a super-2 number, since 2×74389299² = 11067535611422802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (74389279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11814 + ... + 16980.

It is an arithmetic number, because the mean of its divisors is an integer number (12403200).

Almost surely, 2^74389299 is an apocalyptic number.

74389299 is a deficient number, since it is larger than the sum of its proper divisors (24836301).

74389299 is a wasteful number, since it uses less digits than its factorization.

74389299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9969.

The product of its digits is 979776, while the sum is 51.

The square root of 74389299 is about 8624.9231300922. The cubic root of 74389299 is about 420.5685780087.

The spelling of 74389299 in words is "seventy-four million, three hundred eighty-nine thousand, two hundred ninety-nine".