74211117 has 16 divisors (see below), whose sum is σ = 103587840. Its totient is φ = 47199600.

The previous prime is 74211113. The next prime is 74211121. The reversal of 74211117 is 71111247.

It is an interprime number because it is at equal distance from previous prime (74211113) and next prime (74211121).

It is not a de Polignac number, because 74211117 - 2² = 74211113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74211113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984 + ... + 12222.

It is an arithmetic number, because the mean of its divisors is an integer number (6474240).

Almost surely, 2^74211117 is an apocalyptic number.

It is an amenable number.

74211117 is a deficient number, since it is larger than the sum of its proper divisors (29376723).

74211117 is a wasteful number, since it uses less digits than its factorization.

74211117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11344.

The product of its digits is 392, while the sum is 24.

The square root of 74211117 is about 8614.5874538483. The cubic root of 74211117 is about 420.2325186425.

It can be divided in two parts, 7 and 4211117, that added together give a palindrome (4211124).

The spelling of 74211117 in words is "seventy-four million, two hundred eleven thousand, one hundred seventeen".