70163136 has 84 divisors (see below), whose sum is σ = 206084424. Its totient is φ = 22809600.

The previous prime is 70163129. The next prime is 70163141. The reversal of 70163136 is 63136107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22131 + ... + 25101.

It is an arithmetic number, because the mean of its divisors is an integer number (2453386).

Almost surely, 2^70163136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70163136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103042212).

70163136 is an abundant number, since it is smaller than the sum of its proper divisors (135921288).

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

70163136 is a wasteful number, since it uses less digits than its factorization.

70163136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030 (or 3017 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 70163136 is about 8376.3438324844. The cubic root of 70163136 is about 412.4484387343.

The spelling of 70163136 in words is "seventy million, one hundred sixty-three thousand, one hundred thirty-six".