728056619 has 2 divisors, whose sum is σ = 728056620. Its totient is φ = 728056618.

The previous prime is 728056577. The next prime is 728056657. The reversal of 728056619 is 916650827.

728056619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 728056619 - 2²⁴ = 711279403 is a prime.

It is a super-2 number, since 2×728056619² = 1060132880939422322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 728056619.

It is not a weakly prime, because it can be changed into another prime (728056699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364028309 + 364028310.

It is an arithmetic number, because the mean of its divisors is an integer number (364028310).

Almost surely, 2^728056619 is an apocalyptic number.

728056619 is a deficient number, since it is larger than the sum of its proper divisors (1).

728056619 is an equidigital number, since it uses as much as digits as its factorization.

728056619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 728056619 is about 26982.5243259410. The cubic root of 728056619 is about 899.6116097826.

The spelling of 728056619 in words is "seven hundred twenty-eight million, fifty-six thousand, six hundred nineteen".