70052271 has 4 divisors (see below), whose sum is σ = 93403032. Its totient is φ = 46701512.

The previous prime is 70052263. The next prime is 70052321. The reversal of 70052271 is 17225007.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70052271 - 2³ = 70052263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70052251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11675376 + ... + 11675381.

It is an arithmetic number, because the mean of its divisors is an integer number (23350758).

Almost surely, 2^70052271 is an apocalyptic number.

70052271 is a deficient number, since it is larger than the sum of its proper divisors (23350761).

70052271 is a wasteful number, since it uses less digits than its factorization.

70052271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23350760.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 70052271 is about 8369.7234721345. The cubic root of 70052271 is about 412.2310871738.

Adding to 70052271 its reverse (17225007), we get a palindrome (87277278).

The spelling of 70052271 in words is "seventy million, fifty-two thousand, two hundred seventy-one".