74121712 has 30 divisors (see below), whose sum is σ = 167059248. Its totient is φ = 31766112.

The previous prime is 74121703. The next prime is 74121721. The reversal of 74121712 is 21712147.

It is an interprime number because it is at equal distance from previous prime (74121703) and next prime (74121721).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46488 + ... + 48055.

Almost surely, 2^74121712 is an apocalyptic number.

It is an amenable number.

74121712 is an abundant number, since it is smaller than the sum of its proper divisors (92937536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74121712 is a wasteful number, since it uses less digits than its factorization.

74121712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94565 (or 94552 counting only the distinct ones).

The product of its digits is 784, while the sum is 25.

The square root of 74121712 is about 8609.3967268328. The cubic root of 74121712 is about 420.0636940439.

Adding to 74121712 its reverse (21712147), we get a palindrome (95833859).

The spelling of 74121712 in words is "seventy-four million, one hundred twenty-one thousand, seven hundred twelve".