74217423 has 16 divisors (see below), whose sum is σ = 113598720. Its totient is φ = 42220416.

The previous prime is 74217413. The next prime is 74217433. The reversal of 74217423 is 32471247.

It is an interprime number because it is at equal distance from previous prime (74217413) and next prime (74217433).

It is not a de Polignac number, because 74217423 - 2⁵ = 74217391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74217413) 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 15 ways as a sum of consecutive naturals, for example, 3018 + ... + 12551.

It is an arithmetic number, because the mean of its divisors is an integer number (7099920).

Almost surely, 2^74217423 is an apocalyptic number.

74217423 is a deficient number, since it is larger than the sum of its proper divisors (39381297).

74217423 is a wasteful number, since it uses less digits than its factorization.

74217423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15806.

The product of its digits is 9408, while the sum is 30.

The square root of 74217423 is about 8614.9534531534. The cubic root of 74217423 is about 420.2444212222.

The spelling of 74217423 in words is "seventy-four million, two hundred seventeen thousand, four hundred twenty-three".