72714817 has 8 divisors (see below), whose sum is σ = 83163456. Its totient is φ = 62281392.

The previous prime is 72714793. The next prime is 72714833. The reversal of 72714817 is 71841727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72714817 is a prime.

It is a super-2 number, since 2×72714817² = 10574889222686978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72714847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9603 + ... + 15415.

It is an arithmetic number, because the mean of its divisors is an integer number (10395432).

Almost surely, 2^72714817 is an apocalyptic number.

It is an amenable number.

72714817 is a deficient number, since it is larger than the sum of its proper divisors (10448639).

72714817 is a wasteful number, since it uses less digits than its factorization.

72714817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607.

The product of its digits is 21952, while the sum is 37.

The square root of 72714817 is about 8527.2983412098. The cubic root of 72714817 is about 417.3889735489.

The spelling of 72714817 in words is "seventy-two million, seven hundred fourteen thousand, eight hundred seventeen".