74369279 has 8 divisors (see below), whose sum is σ = 76873728. Its totient is φ = 71871480.

The previous prime is 74369233. The next prime is 74369291. The reversal of 74369279 is 97296347.

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 74369279 - 2¹⁶ = 74303743 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 (74369209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32594 + ... + 34800.

It is an arithmetic number, because the mean of its divisors is an integer number (9609216).

Almost surely, 2^74369279 is an apocalyptic number.

74369279 is a deficient number, since it is larger than the sum of its proper divisors (2504449).

74369279 is a wasteful number, since it uses less digits than its factorization.

74369279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325.

The product of its digits is 571536, while the sum is 47.

The square root of 74369279 is about 8623.7624619420. The cubic root of 74369279 is about 420.5308461553.

The spelling of 74369279 in words is "seventy-four million, three hundred sixty-nine thousand, two hundred seventy-nine".