724612 has 18 divisors (see below), whose sum is σ = 1475502. Its totient is φ = 310464.

The previous prime is 724609. The next prime is 724621. The reversal of 724612 is 216427.

It can be written as a sum of positive squares in only one way, i.e., 470596 + 254016 = 686^2 + 504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1653 + ... + 2044.

2⁷²⁴⁶¹² is an apocalyptic number.

It is an amenable number.

724612 is an abundant number, since it is smaller than the sum of its proper divisors (750890).

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

724612 is a wasteful number, since it uses less digits than its factorization.

724612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715 (or 3706 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 724612 is about 851.2414463594. The cubic root of 724612 is about 89.8190603437.

The spelling of 724612 in words is "seven hundred twenty-four thousand, six hundred twelve".