9170074157 has 4 divisors (see below), whose sum is σ = 9223080540. Its totient is φ = 9117067776.

The previous prime is 9170074141. The next prime is 9170074163. The reversal of 9170074157 is 7514700719.

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 7858113316 + 1311960841 = 88646^2 + 36221^2 .

It is a cyclic number.

It is not a de Polignac number, because 9170074157 - 2⁴ = 9170074141 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 (9170074457) 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, 26502932 + ... + 26503277.

It is an arithmetic number, because the mean of its divisors is an integer number (2305770135).

Almost surely, 2^9170074157 is an apocalyptic number.

It is an amenable number.

9170074157 is a deficient number, since it is larger than the sum of its proper divisors (53006383).

9170074157 is a wasteful number, since it uses less digits than its factorization.

9170074157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53006382.

The product of its (nonzero) digits is 61740, while the sum is 41.

The square root of 9170074157 is about 95760.5041601181. The cubic root of 9170074157 is about 2093.1046824486.

The spelling of 9170074157 in words is "nine billion, one hundred seventy million, seventy-four thousand, one hundred fifty-seven".