74134717 has 4 divisors (see below), whose sum is σ = 76138396. Its totient is φ = 72131040.

The previous prime is 74134699. The next prime is 74134747. The reversal of 74134717 is 71743147.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71743147 = 7 ⋅10249021.

It can be written as a sum of positive squares in 2 ways, for example, as 38266596 + 35868121 = 6186^2 + 5989^2 .

It is a cyclic number.

It is not a de Polignac number, because 74134717 - 2¹⁵ = 74101949 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 (74134747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001784 + ... + 1001857.

It is an arithmetic number, because the mean of its divisors is an integer number (19034599).

Almost surely, 2^74134717 is an apocalyptic number.

It is an amenable number.

74134717 is a deficient number, since it is larger than the sum of its proper divisors (2003679).

74134717 is a wasteful number, since it uses less digits than its factorization.

74134717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003678.

The product of its digits is 16464, while the sum is 34.

The square root of 74134717 is about 8610.1519731071. The cubic root of 74134717 is about 420.0882599851.

The spelling of 74134717 in words is "seventy-four million, one hundred thirty-four thousand, seven hundred seventeen".