74117 has 4 divisors (see below), whose sum is σ = 74796. Its totient is φ = 73440.

The previous prime is 74101. The next prime is 74131. The reversal of 74117 is 71147.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 36481 + 37636 = 191^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 74117 - 2⁴ = 74101 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 (74167) 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, 134 + ... + 407.

It is an arithmetic number, because the mean of its divisors is an integer number (18699).

2⁷⁴¹¹⁷ is an apocalyptic number.

It is an amenable number.

74117 is a deficient number, since it is larger than the sum of its proper divisors (679).

74117 is a wasteful number, since it uses less digits than its factorization.

74117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its digits is 196, while the sum is 20.

The square root of 74117 is about 272.2443755158. The cubic root of 74117 is about 42.0054792549.

It can be divided in two parts, 74 and 117, that added together give a palindrome (191).

The spelling of 74117 in words is "seventy-four thousand, one hundred seventeen", and thus it is an iban number.