724869 has 24 divisors (see below), whose sum is σ = 1150240. Its totient is φ = 454896.

The previous prime is 724853. The next prime is 724879. The reversal of 724869 is 968427.

724869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 724869 - 2⁴ = 724853 is a prime.

It is a super-2 number, since 2×724869² = 1050870134322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4539 + ... + 4695.

2⁷²⁴⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

724869 is a deficient number, since it is larger than the sum of its proper divisors (425371).

724869 is a wasteful number, since it uses less digits than its factorization.

724869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 179 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 724869 is about 851.3923889723. The cubic root of 724869 is about 89.8296778741.

The spelling of 724869 in words is "seven hundred twenty-four thousand, eight hundred sixty-nine".