74665117 has 8 divisors (see below), whose sum is σ = 78776000. Its totient is φ = 70572384.

The previous prime is 74665103. The next prime is 74665177. The reversal of 74665117 is 71156647.

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

It is a de Polignac number, because none of the positive numbers 2^k-74665117 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 (74665177) 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, 4384 + ... + 12982.

It is an arithmetic number, because the mean of its divisors is an integer number (9847000).

Almost surely, 2^74665117 is an apocalyptic number.

It is an amenable number.

74665117 is a deficient number, since it is larger than the sum of its proper divisors (4110883).

74665117 is a wasteful number, since it uses less digits than its factorization.

74665117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9075.

The product of its digits is 35280, while the sum is 37.

The square root of 74665117 is about 8640.8979278776. The cubic root of 74665117 is about 421.0877266534.

The spelling of 74665117 in words is "seventy-four million, six hundred sixty-five thousand, one hundred seventeen".