71064593 has 4 divisors (see below), whose sum is σ = 71101680. Its totient is φ = 71027508.

The previous prime is 71064571. The next prime is 71064613. The reversal of 71064593 is 39546017.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71064593 - 2¹² = 71060497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71061593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15503 + ... + 19556.

It is an arithmetic number, because the mean of its divisors is an integer number (17775420).

Almost surely, 2^71064593 is an apocalyptic number.

It is an amenable number.

71064593 is a deficient number, since it is larger than the sum of its proper divisors (37087).

71064593 is a wasteful number, since it uses less digits than its factorization.

71064593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37086.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 71064593 is about 8429.9817912022. The cubic root of 71064593 is about 414.2073086377.

The spelling of 71064593 in words is "seventy-one million, sixty-four thousand, five hundred ninety-three".