74379 has 4 divisors (see below), whose sum is σ = 99176.
Its totient is φ = 49584.
The previous prime is 74377. The next prime is 74381. The reversal of 74379 is 97347.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (74377) and next prime (74381).
It is not a de Polignac number, because 74379 - 21 = 74377 is a prime.
It is a D-number.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12394 + ... + 12399.
It is an arithmetic number, because the mean of its divisors is an integer number (24794).
274379 is an apocalyptic number.
74379 is a deficient number, since it is larger than the sum of its proper divisors (24797).
74379 is a wasteful number, since it uses less digits than its factorization.
74379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24796.
The product of its digits is 5292, while the sum is 30.
The square root of 74379 is about 272.7251363553.
The cubic root of 74379 is about 42.0549168247.
The spelling of 74379 in words is "seventy-four thousand, three hundred seventy-nine".