728850743 has 2 divisors, whose sum is σ = 728850744. Its totient is φ = 728850742.

The previous prime is 728850737. The next prime is 728850779. The reversal of 728850743 is 347058827.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728850743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 728850694 and 728850703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728856743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364425371 + 364425372.

It is an arithmetic number, because the mean of its divisors is an integer number (364425372).

Almost surely, 2^728850743 is an apocalyptic number.

728850743 is a deficient number, since it is larger than the sum of its proper divisors (1).

728850743 is an equidigital number, since it uses as much as digits as its factorization.

728850743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 728850743 is about 26997.2358399892. The cubic root of 728850743 is about 899.9385731738.

The spelling of 728850743 in words is "seven hundred twenty-eight million, eight hundred fifty thousand, seven hundred forty-three".