728603235907200 has 384 divisors, whose sum is σ = 2687481442560000. Its totient is φ = 192764317777920.

The previous prime is 728603235907133. The next prime is 728603235907279. The reversal of 728603235907200 is 2709532306827.

728603235907200 is a `hidden beast` number, since 7 + 2 + 8 + 6 + 0 + 3 + 23 + 590 + 7 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22227625 + ... + 44173224.

It is an arithmetic number, because the mean of its divisors is an integer number (6998649590000).

Almost surely, 2^{728603235907200} is an apocalyptic number.

It is an amenable number.

728603235907200 is an abundant number, since it is smaller than the sum of its proper divisors (1958878206652800).

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

728603235907200 is a wasteful number, since it uses less digits than its factorization.

728603235907200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66401009 (or 66400986 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 728603235907200 in words is "seven hundred twenty-eight trillion, six hundred three billion, two hundred thirty-five million, nine hundred seven thousand, two hundred".