70127213 has 4 divisors (see below), whose sum is σ = 75521628. Its totient is φ = 64732800.

The previous prime is 70127201. The next prime is 70127219. The reversal of 70127213 is 31272107.

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 31214569 + 38912644 = 5587^2 + 6238^2 .

It is a cyclic number.

It is not a de Polignac number, because 70127213 - 2¹² = 70123117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70127219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2697188 + ... + 2697213.

It is an arithmetic number, because the mean of its divisors is an integer number (18880407).

Almost surely, 2^70127213 is an apocalyptic number.

It is an amenable number.

70127213 is a deficient number, since it is larger than the sum of its proper divisors (5394415).

70127213 is a wasteful number, since it uses less digits than its factorization.

70127213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5394414.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 70127213 is about 8374.1992453010. The cubic root of 70127213 is about 412.3780365476.

The spelling of 70127213 in words is "seventy million, one hundred twenty-seven thousand, two hundred thirteen".