74113 has 4 divisors (see below), whose sum is σ = 79828. Its totient is φ = 68400.

The previous prime is 74101. The next prime is 74131. The reversal of 74113 is 31147.

74113 = 192² + 193².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36864 + 37249 = 192^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 74113 - 2¹³ = 65921 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2838 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (19957).

2⁷⁴¹¹³ is an apocalyptic number.

74113 is the 193-rd centered square number.

It is an amenable number.

74113 is a deficient number, since it is larger than the sum of its proper divisors (5715).

74113 is a wasteful number, since it uses less digits than its factorization.

74113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714.

The product of its digits is 84, while the sum is 16.

The square root of 74113 is about 272.2370290758. The cubic root of 74113 is about 42.0047235806.

The spelling of 74113 in words is "seventy-four thousand, one hundred thirteen".