74389117 has 8 divisors (see below), whose sum is σ = 82264320. Its totient is φ = 66699360.

The previous prime is 74389111. The next prime is 74389141. The reversal of 74389117 is 71198347.

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

It is a cyclic number.

It is not a de Polignac number, because 74389117 - 2¹⁹ = 73864829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74389117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74389111) 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, 45517 + ... + 47122.

It is an arithmetic number, because the mean of its divisors is an integer number (10283040).

Almost surely, 2^74389117 is an apocalyptic number.

It is an amenable number.

74389117 is a deficient number, since it is larger than the sum of its proper divisors (7875203).

74389117 is a wasteful number, since it uses less digits than its factorization.

74389117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92723.

The product of its digits is 42336, while the sum is 40.

The square root of 74389117 is about 8624.9125792671. The cubic root of 74389117 is about 420.5682350223.

The spelling of 74389117 in words is "seventy-four million, three hundred eighty-nine thousand, one hundred seventeen".