72985873 has 8 divisors (see below), whose sum is σ = 75595520. Its totient is φ = 70392240.

The previous prime is 72985817. The next prime is 72985901. The reversal of 72985873 is 37858927.

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

It is a cyclic number.

It is not a de Polignac number, because 72985873 - 2⁹ = 72985361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72985813) 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, 5683 + ... + 13351.

It is an arithmetic number, because the mean of its divisors is an integer number (9449440).

Almost surely, 2^72985873 is an apocalyptic number.

It is an amenable number.

72985873 is a deficient number, since it is larger than the sum of its proper divisors (2609647).

72985873 is a wasteful number, since it uses less digits than its factorization.

72985873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007.

The product of its digits is 846720, while the sum is 49.

The square root of 72985873 is about 8543.1769851736. The cubic root of 72985873 is about 417.9069582985.

The spelling of 72985873 in words is "seventy-two million, nine hundred eighty-five thousand, eight hundred seventy-three".