74300025728 has 32 divisors (see below), whose sum is σ = 148042877520. Its totient is φ = 37144166400.

The previous prime is 74300025721. The next prime is 74300025731. The reversal of 74300025728 is 82752000347.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 74300025691 and 74300025700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74300025721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837248 + ... + 921728.

Almost surely, 2^74300025728 is an apocalyptic number.

It is an amenable number.

74300025728 is a deficient number, since it is larger than the sum of its proper divisors (73742851792).

74300025728 is an equidigital number, since it uses as much as digits as its factorization.

74300025728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91366 (or 91354 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 74300025728 in words is "seventy-four billion, three hundred million, twenty-five thousand, seven hundred twenty-eight".