70564211 has 4 divisors (see below), whose sum is σ = 70746000. Its totient is φ = 70382424.

The previous prime is 70564201. The next prime is 70564213. The reversal of 70564211 is 11246507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11246507 = 3301 ⋅3407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70564211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70564213) 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, 90311 + ... + 91088.

It is an arithmetic number, because the mean of its divisors is an integer number (17686500).

Almost surely, 2^70564211 is an apocalyptic number.

70564211 is a deficient number, since it is larger than the sum of its proper divisors (181789).

70564211 is a wasteful number, since it uses less digits than its factorization.

70564211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181788.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 70564211 is about 8400.2506510223. The cubic root of 70564211 is about 413.2328418696.

The spelling of 70564211 in words is "seventy million, five hundred sixty-four thousand, two hundred eleven".