70163265 has 16 divisors (see below), whose sum is σ = 113844096. Its totient is φ = 36892800.

The previous prime is 70163263. The next prime is 70163279. The reversal of 70163265 is 56236107.

It is not a de Polignac number, because 70163265 - 2¹ = 70163263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70163263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31876 + ... + 34005.

It is an arithmetic number, because the mean of its divisors is an integer number (7115256).

Almost surely, 2^70163265 is an apocalyptic number.

It is an amenable number.

70163265 is a deficient number, since it is larger than the sum of its proper divisors (43680831).

70163265 is a wasteful number, since it uses less digits than its factorization.

70163265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65960.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 70163265 is about 8376.3515327379. The cubic root of 70163265 is about 412.4486915063.

The spelling of 70163265 in words is "seventy million, one hundred sixty-three thousand, two hundred sixty-five".