74328829 has 8 divisors (see below), whose sum is σ = 75304152. Its totient is φ = 73358400.

The previous prime is 74328823. The next prime is 74328833. The reversal of 74328829 is 92882347.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20702500 + 53626329 = 4550^2 + 7323^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74328829 - 2⁷ = 74328701 is a prime.

It is a super-2 number, since 2×74328829² = 11049549641022482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74328823) 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, 36687 + ... + 38659.

It is an arithmetic number, because the mean of its divisors is an integer number (9413019).

Almost surely, 2^74328829 is an apocalyptic number.

It is an amenable number.

74328829 is a deficient number, since it is larger than the sum of its proper divisors (975323).

74328829 is a wasteful number, since it uses less digits than its factorization.

74328829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447.

The product of its digits is 193536, while the sum is 43.

The square root of 74328829 is about 8621.4168789127. The cubic root of 74328829 is about 420.4545890505.

It can be divided in two parts, 74328 and 829, that added together give a palindrome (75157).

The spelling of 74328829 in words is "seventy-four million, three hundred twenty-eight thousand, eight hundred twenty-nine".