724623 has 8 divisors (see below), whose sum is σ = 999600. Its totient is φ = 466368.

The previous prime is 724621. The next prime is 724627. The reversal of 724623 is 326427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 724623 - 2¹ = 724621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 724593 and 724602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4078 + ... + 4251.

It is an arithmetic number, because the mean of its divisors is an integer number (124950).

2⁷²⁴⁶²³ is an apocalyptic number.

724623 is a deficient number, since it is larger than the sum of its proper divisors (274977).

724623 is a wasteful number, since it uses less digits than its factorization.

724623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8361.

The product of its digits is 2016, while the sum is 24.

The square root of 724623 is about 851.2479074864. The cubic root of 724623 is about 89.8195148419.

The spelling of 724623 in words is "seven hundred twenty-four thousand, six hundred twenty-three".