724244 has 6 divisors (see below), whose sum is σ = 1267434. Its totient is φ = 362120.

The previous prime is 724219. The next prime is 724259. The reversal of 724244 is 442427.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 35344 = 830^2 + 188^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90527 + ... + 90534.

It is an arithmetic number, because the mean of its divisors is an integer number (211239).

2⁷²⁴²⁴⁴ is an apocalyptic number.

It is an amenable number.

724244 is a deficient number, since it is larger than the sum of its proper divisors (543190).

724244 is a wasteful number, since it uses less digits than its factorization.

724244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181065 (or 181063 counting only the distinct ones).

The product of its digits is 1792, while the sum is 23.

The square root of 724244 is about 851.0252640198. The cubic root of 724244 is about 89.8038526595.

The spelling of 724244 in words is "seven hundred twenty-four thousand, two hundred forty-four", and thus it is an iban number.