728042351 has 2 divisors, whose sum is σ = 728042352. Its totient is φ = 728042350.

The previous prime is 728042333. The next prime is 728042369. The reversal of 728042351 is 153240827.

It is a balanced prime because it is at equal distance from previous prime (728042333) and next prime (728042369).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728042351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728042311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364021175 + 364021176.

It is an arithmetic number, because the mean of its divisors is an integer number (364021176).

Almost surely, 2^728042351 is an apocalyptic number.

728042351 is a deficient number, since it is larger than the sum of its proper divisors (1).

728042351 is an equidigital number, since it uses as much as digits as its factorization.

728042351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 728042351 is about 26982.2599312956. The cubic root of 728042351 is about 899.6057330683.

The spelling of 728042351 in words is "seven hundred twenty-eight million, forty-two thousand, three hundred fifty-one".