117717073 has 4 divisors (see below), whose sum is σ = 117997108. Its totient is φ = 117437040.

The previous prime is 117717071. The next prime is 117717097. The reversal of 117717073 is 370717711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45603009 + 72114064 = 6753^2 + 8492^2 .

It is a cyclic number.

It is not a de Polignac number, because 117717073 - 2¹ = 117717071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117717071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139386 + ... + 140227.

It is an arithmetic number, because the mean of its divisors is an integer number (29499277).

Almost surely, 2^117717073 is an apocalyptic number.

It is an amenable number.

117717073 is a deficient number, since it is larger than the sum of its proper divisors (280035).

117717073 is an equidigital number, since it uses as much as digits as its factorization.

117717073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280034.

The product of its (nonzero) digits is 7203, while the sum is 34.

The square root of 117717073 is about 10849.7499049517. The cubic root of 117717073 is about 490.0944882340.

The spelling of 117717073 in words is "one hundred seventeen million, seven hundred seventeen thousand, seventy-three".