728055479 has 2 divisors, whose sum is σ = 728055480. Its totient is φ = 728055478.

The previous prime is 728055473. The next prime is 728055539. The reversal of 728055479 is 974550827.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 728055479 - 2⁴ = 728055463 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728055473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364027739 + 364027740.

It is an arithmetic number, because the mean of its divisors is an integer number (364027740).

Almost surely, 2^728055479 is an apocalyptic number.

728055479 is a deficient number, since it is larger than the sum of its proper divisors (1).

728055479 is an equidigital number, since it uses as much as digits as its factorization.

728055479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 728055479 is about 26982.5032011487. The cubic root of 728055479 is about 899.6111402414.

The spelling of 728055479 in words is "seven hundred twenty-eight million, fifty-five thousand, four hundred seventy-nine".