74613117 has 4 divisors (see below), whose sum is σ = 99484160. Its totient is φ = 49742076.

The previous prime is 74613113. The next prime is 74613137. The reversal of 74613117 is 71131647.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 74613117 - 2² = 74613113 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 (74613113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12435517 + ... + 12435522.

It is an arithmetic number, because the mean of its divisors is an integer number (24871040).

Almost surely, 2^74613117 is an apocalyptic number.

It is an amenable number.

74613117 is a deficient number, since it is larger than the sum of its proper divisors (24871043).

74613117 is a wasteful number, since it uses less digits than its factorization.

74613117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24871042.

The product of its digits is 3528, while the sum is 30.

The square root of 74613117 is about 8637.8884572562. Note that the first 3 decimals coincide. The cubic root of 74613117 is about 420.9899494143.

The spelling of 74613117 in words is "seventy-four million, six hundred thirteen thousand, one hundred seventeen".