72716683 has 4 divisors (see below), whose sum is σ = 78310288. Its totient is φ = 67123080.

The previous prime is 72716681. The next prime is 72716711. The reversal of 72716683 is 38661727.

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 72716683 - 2¹ = 72716681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72716681) 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, 2796783 + ... + 2796808.

It is an arithmetic number, because the mean of its divisors is an integer number (19577572).

Almost surely, 2^72716683 is an apocalyptic number.

72716683 is a deficient number, since it is larger than the sum of its proper divisors (5593605).

72716683 is a wasteful number, since it uses less digits than its factorization.

72716683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593604.

The product of its digits is 84672, while the sum is 40.

The square root of 72716683 is about 8527.4077538253. The cubic root of 72716683 is about 417.3925438490.

The spelling of 72716683 in words is "seventy-two million, seven hundred sixteen thousand, six hundred eighty-three".