71766083 has 4 divisors (see below), whose sum is σ = 72088128. Its totient is φ = 71444040.

The previous prime is 71766053. The next prime is 71766103. The reversal of 71766083 is 38066717.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38066717 = 13 ⋅2928209.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71766083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71766043) 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, 160688 + ... + 161133.

It is an arithmetic number, because the mean of its divisors is an integer number (18022032).

Almost surely, 2^71766083 is an apocalyptic number.

71766083 is a deficient number, since it is larger than the sum of its proper divisors (322045).

71766083 is a wasteful number, since it uses less digits than its factorization.

71766083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322044.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 71766083 is about 8471.4864693276. The cubic root of 71766083 is about 415.5657508622.

The spelling of 71766083 in words is "seventy-one million, seven hundred sixty-six thousand, eighty-three".