728529142 has 24 divisors (see below), whose sum is σ = 1204354368. Its totient is φ = 330271920.

The previous prime is 728529089. The next prime is 728529167. The reversal of 728529142 is 241925827.

It is a junction number, because it is equal to n+sod(n) for n = 728529095 and 728529104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92283 + ... + 99865.

It is an arithmetic number, because the mean of its divisors is an integer number (50181432).

Almost surely, 2^728529142 is an apocalyptic number.

728529142 is a deficient number, since it is larger than the sum of its proper divisors (475825226).

728529142 is a wasteful number, since it uses less digits than its factorization.

728529142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004 (or 7993 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 728529142 is about 26991.2789989656. The cubic root of 728529142 is about 899.8061895426.

The spelling of 728529142 in words is "seven hundred twenty-eight million, five hundred twenty-nine thousand, one hundred forty-two".