73442117 has 8 divisors (see below), whose sum is σ = 85187136. Its totient is φ = 62010432.

The previous prime is 73442107. The next prime is 73442141. The reversal of 73442117 is 71124437.

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 73442117 - 2⁴ = 73442101 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 73442117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73442107) 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, 77828 + ... + 78765.

It is an arithmetic number, because the mean of its divisors is an integer number (10648392).

Almost surely, 2^73442117 is an apocalyptic number.

It is an amenable number.

73442117 is a deficient number, since it is larger than the sum of its proper divisors (11745019).

73442117 is a wasteful number, since it uses less digits than its factorization.

73442117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156667.

The product of its digits is 4704, while the sum is 29.

The square root of 73442117 is about 8569.8376297337. The cubic root of 73442117 is about 418.7759466510.

The spelling of 73442117 in words is "seventy-three million, four hundred forty-two thousand, one hundred seventeen".