72236593 has 16 divisors (see below), whose sum is σ = 87796800. Its totient is φ = 58524480.

The previous prime is 72236569. The next prime is 72236597. The reversal of 72236593 is 39563227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72236593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72236597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4563 + ... + 12856.

It is an arithmetic number, because the mean of its divisors is an integer number (5487300).

Almost surely, 2^72236593 is an apocalyptic number.

It is an amenable number.

72236593 is a deficient number, since it is larger than the sum of its proper divisors (15560207).

72236593 is a wasteful number, since it uses less digits than its factorization.

72236593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17472.

The product of its digits is 68040, while the sum is 37.

The square root of 72236593 is about 8499.2113163517. The cubic root of 72236593 is about 416.4719453526.

The spelling of 72236593 in words is "seventy-two million, two hundred thirty-six thousand, five hundred ninety-three".