71045683 has 4 divisors (see below), whose sum is σ = 71236528. Its totient is φ = 70854840.

The previous prime is 71045671. The next prime is 71045701. The reversal of 71045683 is 38654017.

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 71045683 - 2²¹ = 68948531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71045783) 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, 94863 + ... + 95608.

It is an arithmetic number, because the mean of its divisors is an integer number (17809132).

Almost surely, 2^71045683 is an apocalyptic number.

71045683 is a deficient number, since it is larger than the sum of its proper divisors (190845).

71045683 is a wasteful number, since it uses less digits than its factorization.

71045683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190844.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 71045683 is about 8428.8601245957. The cubic root of 71045683 is about 414.1705657501.

The spelling of 71045683 in words is "seventy-one million, forty-five thousand, six hundred eighty-three".