74433399 has 4 divisors (see below), whose sum is σ = 99244536. Its totient is φ = 49622264.

The previous prime is 74433389. The next prime is 74433407. The reversal of 74433399 is 99333447.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74433399 - 2⁵ = 74433367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74433399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74433329) 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 3 ways as a sum of consecutive naturals, for example, 12405564 + ... + 12405569.

It is an arithmetic number, because the mean of its divisors is an integer number (24811134).

Almost surely, 2^74433399 is an apocalyptic number.

74433399 is a deficient number, since it is larger than the sum of its proper divisors (24811137).

74433399 is a wasteful number, since it uses less digits than its factorization.

74433399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24811136.

The product of its digits is 244944, while the sum is 42.

The square root of 74433399 is about 8627.4792958314. The cubic root of 74433399 is about 420.6516697556.

It can be divided in two parts, 744 and 33399, that added together give a palindrome (34143).

The spelling of 74433399 in words is "seventy-four million, four hundred thirty-three thousand, three hundred ninety-nine".