728304799 has 2 divisors, whose sum is σ = 728304800. Its totient is φ = 728304798.

The previous prime is 728304737. The next prime is 728304833. The reversal of 728304799 is 997403827.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 728304799 - 2¹⁵ = 728272031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728304299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364152399 + 364152400.

It is an arithmetic number, because the mean of its divisors is an integer number (364152400).

Almost surely, 2^728304799 is an apocalyptic number.

728304799 is a deficient number, since it is larger than the sum of its proper divisors (1).

728304799 is an equidigital number, since it uses as much as digits as its factorization.

728304799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 728304799 is about 26987.1228366419. The cubic root of 728304799 is about 899.7138180630.

The spelling of 728304799 in words is "seven hundred twenty-eight million, three hundred four thousand, seven hundred ninety-nine".