74984239 has 8 divisors (see below), whose sum is σ = 81983232. Its totient is φ = 68015640.

The previous prime is 74984233. The next prime is 74984251. The reversal of 74984239 is 93248947.

It is a happy number.

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

It is not a de Polignac number, because 74984239 - 2¹¹ = 74982191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74984233) 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, 2269 + ... + 12454.

It is an arithmetic number, because the mean of its divisors is an integer number (10247904).

Almost surely, 2^74984239 is an apocalyptic number.

74984239 is a deficient number, since it is larger than the sum of its proper divisors (6998993).

74984239 is a wasteful number, since it uses less digits than its factorization.

74984239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15197.

The product of its digits is 435456, while the sum is 46.

The square root of 74984239 is about 8659.3440282737. The cubic root of 74984239 is about 421.6867898208.

The spelling of 74984239 in words is "seventy-four million, nine hundred eighty-four thousand, two hundred thirty-nine".