722472 has 16 divisors (see below), whose sum is σ = 1806240. Its totient is φ = 240816.

The previous prime is 722467. The next prime is 722479. The reversal of 722472 is 274227.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 30103 = 722472 / (7 + 2 + 2 + 4 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (722479) by changing a digit.

722472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15028 + ... + 15075.

It is an arithmetic number, because the mean of its divisors is an integer number (112890).

2⁷²²⁴⁷² is an apocalyptic number.

It is an amenable number.

722472 is an abundant number, since it is smaller than the sum of its proper divisors (1083768).

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

722472 is a wasteful number, since it uses less digits than its factorization.

722472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30112 (or 30108 counting only the distinct ones).

The product of its digits is 1568, while the sum is 24.

The square root of 722472 is about 849.9835292522. The cubic root of 722472 is about 89.7305521392.

722472 divided by its sum of digits (24) gives a palindrome (30103).

Adding to 722472 its reverse (274227), we get a palindrome (996699).

The spelling of 722472 in words is "seven hundred twenty-two thousand, four hundred seventy-two", and thus it is an iban number.