272227725 has 144 divisors (see below), whose sum is σ = 640673280. Its totient is φ = 107049600.

The previous prime is 272227723. The next prime is 272227729. The reversal of 272227725 is 527722272.

It is a happy number.

It is not a de Polignac number, because 272227725 - 2¹ = 272227723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272227725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272227721) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 328762 + ... + 329588.

It is an arithmetic number, because the mean of its divisors is an integer number (4449120).

Almost surely, 2^272227725 is an apocalyptic number.

272227725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

272227725 is an abundant number, since it is smaller than the sum of its proper divisors (368445555).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272227725 is a wasteful number, since it uses less digits than its factorization.

272227725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 872 counting only the distinct ones).

The product of its digits is 54880, while the sum is 36.

The square root of 272227725 is about 16499.3249861926. The cubic root of 272227725 is about 648.1031285909.

Adding to 272227725 its reverse (527722272), we get a palindrome (799949997).

The spelling of 272227725 in words is "two hundred seventy-two million, two hundred twenty-seven thousand, seven hundred twenty-five".