72727269 has 16 divisors (see below), whose sum is σ = 102574080. Its totient is φ = 45707760.

The previous prime is 72727247. The next prime is 72727301. The reversal of 72727269 is 96272727.

It is not a de Polignac number, because 72727269 - 2⁷ = 72727141 is a prime.

It is a super-2 number, since 2×72727269² = 10578511312396722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72727269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72727229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9004 + ... + 15050.

It is an arithmetic number, because the mean of its divisors is an integer number (6410880).

Almost surely, 2^72727269 is an apocalyptic number.

It is an amenable number.

72727269 is a deficient number, since it is larger than the sum of its proper divisors (29846811).

72727269 is a wasteful number, since it uses less digits than its factorization.

72727269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280.

The product of its digits is 148176, while the sum is 42.

The square root of 72727269 is about 8528.0284356937. The cubic root of 72727269 is about 417.4127973538.

It can be divided in two parts, 7272 and 7269, that added together give a palindrome (14541).

The spelling of 72727269 in words is "seventy-two million, seven hundred twenty-seven thousand, two hundred sixty-nine".