72616317 has 8 divisors (see below), whose sum is σ = 96861120. Its totient is φ = 48391200.

The previous prime is 72616279. The next prime is 72616351. The reversal of 72616317 is 71361627.

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

It is not a de Polignac number, because 72616317 - 2⁷ = 72616189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72616387) 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, 12192 + ... + 17142.

It is an arithmetic number, because the mean of its divisors is an integer number (12107640).

Almost surely, 2^72616317 is an apocalyptic number.

It is an amenable number.

72616317 is a deficient number, since it is larger than the sum of its proper divisors (24244803).

72616317 is a wasteful number, since it uses less digits than its factorization.

72616317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9843.

The product of its digits is 10584, while the sum is 33.

The square root of 72616317 is about 8521.5208149719. The cubic root of 72616317 is about 417.2004223774.

The spelling of 72616317 in words is "seventy-two million, six hundred sixteen thousand, three hundred seventeen".