728069 has 2 divisors, whose sum is σ = 728070. Its totient is φ = 728068.

The previous prime is 728047. The next prime is 728087. The reversal of 728069 is 960827.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543169 + 184900 = 737^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 728069 - 2¹² = 723973 is a prime.

It is a super-2 number, since 2×728069² = 1060168937522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364034 + 364035.

It is an arithmetic number, because the mean of its divisors is an integer number (364035).

2⁷²⁸⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

728069 is a deficient number, since it is larger than the sum of its proper divisors (1).

728069 is an equidigital number, since it uses as much as digits as its factorization.

728069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 728069 is about 853.2695939737. The cubic root of 728069 is about 89.9616709216.

The spelling of 728069 in words is "seven hundred twenty-eight thousand, sixty-nine".