71712063 has 6 divisors (see below), whose sum is σ = 103584104. Its totient is φ = 47808036.

The previous prime is 71712049. The next prime is 71712077. The reversal of 71712063 is 36021717.

It is an interprime number because it is at equal distance from previous prime (71712049) and next prime (71712077).

It is not a de Polignac number, because 71712063 - 2¹³ = 71703871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71712163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3983995 + ... + 3984012.

Almost surely, 2^71712063 is an apocalyptic number.

71712063 is a deficient number, since it is larger than the sum of its proper divisors (31872041).

71712063 is a wasteful number, since it uses less digits than its factorization.

71712063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968013 (or 7968010 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 71712063 is about 8468.2975266579. The cubic root of 71712063 is about 415.4614560205.

The spelling of 71712063 in words is "seventy-one million, seven hundred twelve thousand, sixty-three".