728601534000 has 160 divisors (see below), whose sum is σ = 2610012799680. Its totient is φ = 194293728000.

The previous prime is 728601533977. The next prime is 728601534007. The reversal of 728601534000 is 435106827.

728601534000 is a `hidden beast` number, since 7 + 2 + 8 + 601 + 5 + 3 + 40 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (728601534007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6692311 + ... + 6800310.

It is an arithmetic number, because the mean of its divisors is an integer number (16312579998).

Almost surely, 2^728601534000 is an apocalyptic number.

It is an amenable number.

728601534000 is an abundant number, since it is smaller than the sum of its proper divisors (1881411265680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728601534000 is a wasteful number, since it uses less digits than its factorization.

728601534000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13492653 (or 13492631 counting only the distinct ones).

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

The spelling of 728601534000 in words is "seven hundred twenty-eight billion, six hundred one million, five hundred thirty-four thousand".