74172319 has 8 divisors (see below), whose sum is σ = 80164112. Its totient is φ = 68221440.

The previous prime is 74172317. The next prime is 74172323. The reversal of 74172319 is 91327147.

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 74172319 - 2¹ = 74172317 is a prime.

It is a super-2 number, since 2×74172319² = 11003065811675522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74172313) 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, 6402 + ... + 13759.

It is an arithmetic number, because the mean of its divisors is an integer number (10020514).

Almost surely, 2^74172319 is an apocalyptic number.

74172319 is a deficient number, since it is larger than the sum of its proper divisors (5991793).

74172319 is a wasteful number, since it uses less digits than its factorization.

74172319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20457.

The product of its digits is 10584, while the sum is 34.

The square root of 74172319 is about 8612.3352814437. The cubic root of 74172319 is about 420.1592725484.

The spelling of 74172319 in words is "seventy-four million, one hundred seventy-two thousand, three hundred nineteen".