724938 has 8 divisors (see below), whose sum is σ = 1449888. Its totient is φ = 241644.

The previous prime is 724903. The next prime is 724939. The reversal of 724938 is 839427.

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

724938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 724899 and 724908.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 724938.

It is not an unprimeable number, because it can be changed into a prime (724939) 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 3 ways as a sum of consecutive naturals, for example, 60406 + ... + 60417.

It is an arithmetic number, because the mean of its divisors is an integer number (181236).

2⁷²⁴⁹³⁸ is an apocalyptic number.

724938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

724938 is a wasteful number, since it uses less digits than its factorization.

724938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120828.

The product of its digits is 12096, while the sum is 33.

The square root of 724938 is about 851.4329098643. The cubic root of 724938 is about 89.8325280678.

The spelling of 724938 in words is "seven hundred twenty-four thousand, nine hundred thirty-eight".