74275117 has 8 divisors (see below), whose sum is σ = 85116416. Its totient is φ = 63491472.

The previous prime is 74275079. The next prime is 74275121. The reversal of 74275117 is 71157247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74275117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74275417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11613 + ... + 16834.

It is an arithmetic number, because the mean of its divisors is an integer number (10639552).

Almost surely, 2^74275117 is an apocalyptic number.

It is an amenable number.

74275117 is a deficient number, since it is larger than the sum of its proper divisors (10841299).

74275117 is a wasteful number, since it uses less digits than its factorization.

74275117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28827.

The product of its digits is 13720, while the sum is 34.

The square root of 74275117 is about 8618.3012827355. The cubic root of 74275117 is about 420.3532874014.

It can be divided in two parts, 7427 and 5117, that added together give a square (12544 = 112²).

The spelling of 74275117 in words is "seventy-four million, two hundred seventy-five thousand, one hundred seventeen".