728007 has 8 divisors (see below), whose sum is σ = 1109376. Its totient is φ = 415992.

The previous prime is 728003. The next prime is 728017. The reversal of 728007 is 700827.

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

It is not a de Polignac number, because 728007 - 2² = 728003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17313 + ... + 17354.

It is an arithmetic number, because the mean of its divisors is an integer number (138672).

2⁷²⁸⁰⁰⁷ is an apocalyptic number.

728007 is a deficient number, since it is larger than the sum of its proper divisors (381369).

728007 is a wasteful number, since it uses less digits than its factorization.

728007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34677.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 728007 is about 853.2332623615. The cubic root of 728007 is about 89.9591172342.

The spelling of 728007 in words is "seven hundred twenty-eight thousand, seven".