728601543 has 6 divisors (see below), whose sum is σ = 1052424464. Its totient is φ = 485734356.

The previous prime is 728601541. The next prime is 728601551. The reversal of 728601543 is 345106827.

728601543 is a `hidden beast` number, since 7 + 2 + 8 + 601 + 5 + 43 = 666.

It is not a de Polignac number, because 728601543 - 2¹ = 728601541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 728601498 and 728601507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728601541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40477855 + ... + 40477872.

Almost surely, 2^728601543 is an apocalyptic number.

728601543 is a deficient number, since it is larger than the sum of its proper divisors (323822921).

728601543 is a wasteful number, since it uses less digits than its factorization.

728601543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80955733 (or 80955730 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 728601543 is about 26992.6201581099. The cubic root of 728601543 is about 899.8359960419.

The spelling of 728601543 in words is "seven hundred twenty-eight million, six hundred one thousand, five hundred forty-three".