74279 has 2 divisors, whose sum is σ = 74280. Its totient is φ = 74278.

The previous prime is 74257. The next prime is 74287. The reversal of 74279 is 97247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74279 - 2¹² = 70183 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74209) 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 as a sum of consecutive naturals, namely, 37139 + 37140.

It is an arithmetic number, because the mean of its divisors is an integer number (37140).

2⁷⁴²⁷⁹ is an apocalyptic number.

74279 is a deficient number, since it is larger than the sum of its proper divisors (1).

74279 is an equidigital number, since it uses as much as digits as its factorization.

74279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 29.

The square root of 74279 is about 272.5417399225. The cubic root of 74279 is about 42.0360612436.

It can be divided in two parts, 74 and 279, that added together give a palindrome (353).

The spelling of 74279 in words is "seventy-four thousand, two hundred seventy-nine".