30028728574603 has 16 divisors (see below), whose sum is σ = 33110828213760. Its totient is φ = 27005786908000.

The previous prime is 30028728574591. The next prime is 30028728574639. The reversal of 30028728574603 is 30647582782003.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30028728574603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30028728554603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10066483 + ... + 12703996.

It is an arithmetic number, because the mean of its divisors is an integer number (2069426763360).

Almost surely, 2^{30028728574603} is an apocalyptic number.

30028728574603 is a deficient number, since it is larger than the sum of its proper divisors (3082099639157).

30028728574603 is a wasteful number, since it uses less digits than its factorization.

30028728574603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22771778.

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 30028728574603 in words is "thirty trillion, twenty-eight billion, seven hundred twenty-eight million, five hundred seventy-four thousand, six hundred three".