28074494732 has 12 divisors (see below), whose sum is σ = 49431780216. Its totient is φ = 13951128960.

The previous prime is 28074494731. The next prime is 28074494741. The reversal of 28074494732 is 23749447082.

It is not an unprimeable number, because it can be changed into a prime (28074494731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21528869 + ... + 21530172.

It is an arithmetic number, because the mean of its divisors is an integer number (4119315018).

Almost surely, 2^28074494732 is an apocalyptic number.

It is an amenable number.

28074494732 is a deficient number, since it is larger than the sum of its proper divisors (21357285484).

28074494732 is a wasteful number, since it uses less digits than its factorization.

28074494732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43059208 (or 43059206 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 28074494732 in words is "twenty-eight billion, seventy-four million, four hundred ninety-four thousand, seven hundred thirty-two".