74328249 has 8 divisors (see below), whose sum is σ = 103413312. Its totient is φ = 47397680.

The previous prime is 74328229. The next prime is 74328251. The reversal of 74328249 is 94282347.

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 74328249 - 2²¹ = 72231097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74328229) 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 7 ways as a sum of consecutive naturals, for example, 538542 + ... + 538679.

It is an arithmetic number, because the mean of its divisors is an integer number (12926664).

Almost surely, 2^74328249 is an apocalyptic number.

It is an amenable number.

74328249 is a deficient number, since it is larger than the sum of its proper divisors (29085063).

74328249 is a wasteful number, since it uses less digits than its factorization.

74328249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077247.

The product of its digits is 96768, while the sum is 39.

The square root of 74328249 is about 8621.3832416846. The cubic root of 74328249 is about 420.4534954224.

The spelling of 74328249 in words is "seventy-four million, three hundred twenty-eight thousand, two hundred forty-nine".