724243272 has 16 divisors (see below), whose sum is σ = 1810608240. Its totient is φ = 241414416.

The previous prime is 724243271. The next prime is 724243307. The reversal of 724243272 is 272342427.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (724243271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15088378 + ... + 15088425.

It is an arithmetic number, because the mean of its divisors is an integer number (113163015).

Almost surely, 2^724243272 is an apocalyptic number.

It is an amenable number.

724243272 is an abundant number, since it is smaller than the sum of its proper divisors (1086364968).

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

724243272 is a wasteful number, since it uses less digits than its factorization.

724243272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30176812 (or 30176808 counting only the distinct ones).

The product of its digits is 37632, while the sum is 33.

The square root of 724243272 is about 26911.7682808098. The cubic root of 724243272 is about 898.0382256964.

Adding to 724243272 its reverse (272342427), we get a palindrome (996585699).

The spelling of 724243272 in words is "seven hundred twenty-four million, two hundred forty-three thousand, two hundred seventy-two".