68010474728 has 24 divisors (see below), whose sum is σ = 148339174050. Its totient is φ = 29147346144.

The previous prime is 68010474689. The next prime is 68010474761. The reversal of 68010474728 is 82747401086.

It can be written as a sum of positive squares in only one way, i.e., 67059245764 + 951228964 = 258958^2 + 30842^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86747663 + ... + 86748446.

Almost surely, 2^68010474728 is an apocalyptic number.

It is an amenable number.

68010474728 is an abundant number, since it is smaller than the sum of its proper divisors (80328699322).

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

68010474728 is a wasteful number, since it uses less digits than its factorization.

68010474728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173496129 (or 173496118 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 68010474728 in words is "sixty-eight billion, ten million, four hundred seventy-four thousand, seven hundred twenty-eight".