72265533 has 8 divisors (see below), whose sum is σ = 96421248. Its totient is φ = 48143424.

The previous prime is 72265511. The next prime is 72265549. The reversal of 72265533 is 33556227.

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

It is not a de Polignac number, because 72265533 - 2⁹ = 72265021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72265494 and 72265503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72265133) 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, 2860 + ... + 12357.

It is an arithmetic number, because the mean of its divisors is an integer number (12052656).

Almost surely, 2^72265533 is an apocalyptic number.

It is an amenable number.

72265533 is a deficient number, since it is larger than the sum of its proper divisors (24155715).

72265533 is a wasteful number, since it uses less digits than its factorization.

72265533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16803.

The product of its digits is 37800, while the sum is 33.

The square root of 72265533 is about 8500.9136567783. The cubic root of 72265533 is about 416.5275546978.

The spelling of 72265533 in words is "seventy-two million, two hundred sixty-five thousand, five hundred thirty-three".