726127272 has 48 divisors (see below), whose sum is σ = 2117873940. Its totient is φ = 223423488.

The previous prime is 726127267. The next prime is 726127301. The reversal of 726127272 is 272721627.

726127272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 713210436 + 12916836 = 26706^2 + 3594^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 386953 + ... + 388824.

Almost surely, 2^726127272 is an apocalyptic number.

726127272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

726127272 is an abundant number, since it is smaller than the sum of its proper divisors (1391746668).

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

726127272 is a wasteful number, since it uses less digits than its factorization.

726127272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775802 (or 775795 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 726127272 is about 26946.7488205906. The cubic root of 726127272 is about 898.8162511329.

Adding to 726127272 its reverse (272721627), we get a palindrome (998848899).

The spelling of 726127272 in words is "seven hundred twenty-six million, one hundred twenty-seven thousand, two hundred seventy-two".