70889227 has 2 divisors, whose sum is σ = 70889228. Its totient is φ = 70889226.

The previous prime is 70889213. The next prime is 70889251. The reversal of 70889227 is 72298807.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70889227 - 2¹⁹ = 70364939 is a prime.

It is not a weakly prime, because it can be changed into another prime (70889257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35444613 + 35444614.

It is an arithmetic number, because the mean of its divisors is an integer number (35444614).

Almost surely, 2^70889227 is an apocalyptic number.

70889227 is a deficient number, since it is larger than the sum of its proper divisors (1).

70889227 is an equidigital number, since it uses as much as digits as its factorization.

70889227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 70889227 is about 8419.5740391067. The cubic root of 70889227 is about 413.8663150555.

The spelling of 70889227 in words is "seventy million, eight hundred eighty-nine thousand, two hundred twenty-seven".