74231717 has 20 divisors (see below), whose sum is σ = 88735680. Its totient is φ = 62061048.

The previous prime is 74231687. The next prime is 74231719. The reversal of 74231717 is 71713247.

It is not a de Polignac number, because 74231717 - 2¹⁶ = 74166181 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 (74231719) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102884 + ... + 103602.

It is an arithmetic number, because the mean of its divisors is an integer number (4436784).

Almost surely, 2^74231717 is an apocalyptic number.

It is an amenable number.

74231717 is a deficient number, since it is larger than the sum of its proper divisors (14503963).

74231717 is an frugal number, since it uses more digits than its factorization.

74231717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 769 counting only the distinct ones).

The product of its digits is 8232, while the sum is 32.

The square root of 74231717 is about 8615.7830172306. The cubic root of 74231717 is about 420.2713986619.

The spelling of 74231717 in words is "seventy-four million, two hundred thirty-one thousand, seven hundred seventeen".