7272727288 has 8 divisors (see below), whose sum is σ = 13636363680. Its totient is φ = 3636363640.

The previous prime is 7272727283. The next prime is 7272727291. The reversal of 7272727288 is 8827272727.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272727283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454545448 + ... + 454545463.

It is an arithmetic number, because the mean of its divisors is an integer number (1704545460).

Almost surely, 2^7272727288 is an apocalyptic number.

It is an amenable number.

7272727288 is a deficient number, since it is larger than the sum of its proper divisors (6363636392).

7272727288 is a wasteful number, since it uses less digits than its factorization.

7272727288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909090917 (or 909090913 counting only the distinct ones).

The product of its digits is 2458624, while the sum is 52.

The square root of 7272727288 is about 85280.2866317885. The cubic root of 7272727288 is about 1937.4586136591.

It can be divided in two parts, 72727272 and 88, that multiplied together give a palindrome (6399999936).

The spelling of 7272727288 in words is "seven billion, two hundred seventy-two million, seven hundred twenty-seven thousand, two hundred eighty-eight".