70117092 has 36 divisors (see below), whose sum is σ = 180589500. Its totient is φ = 22930752.

The previous prime is 70117079. The next prime is 70117097. The reversal of 70117092 is 29071107.

It can be written as a sum of positive squares in 2 ways, for example, as 27815076 + 42302016 = 5274^2 + 6504^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70117097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16467 + ... + 20282.

It is an arithmetic number, because the mean of its divisors is an integer number (5016375).

Almost surely, 2^70117092 is an apocalyptic number.

It is an amenable number.

70117092 is an abundant number, since it is smaller than the sum of its proper divisors (110472408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70117092 is a wasteful number, since it uses less digits than its factorization.

70117092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36812 (or 36807 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 70117092 is about 8373.5949269116. The cubic root of 70117092 is about 412.3581969887.

Adding to 70117092 its reverse (29071107), we get a palindrome (99188199).

The spelling of 70117092 in words is "seventy million, one hundred seventeen thousand, ninety-two".