72286593 has 4 divisors (see below), whose sum is σ = 96382128. Its totient is φ = 48191060.

The previous prime is 72286579. The next prime is 72286603. The reversal of 72286593 is 39568227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39568227 = 3 ⋅13189409.

It is a cyclic number.

It is not a de Polignac number, because 72286593 - 2¹⁰ = 72285569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72286523) 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, 12047763 + ... + 12047768.

It is an arithmetic number, because the mean of its divisors is an integer number (24095532).

Almost surely, 2^72286593 is an apocalyptic number.

It is an amenable number.

72286593 is a deficient number, since it is larger than the sum of its proper divisors (24095535).

72286593 is a wasteful number, since it uses less digits than its factorization.

72286593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24095534.

The product of its digits is 181440, while the sum is 42.

The square root of 72286593 is about 8502.1522569288. The cubic root of 72286593 is about 416.5680129815.

The spelling of 72286593 in words is "seventy-two million, two hundred eighty-six thousand, five hundred ninety-three".