68898745472 has 32 divisors (see below), whose sum is σ = 140968937820. Its totient is φ = 33518306304.

The previous prime is 68898745471. The next prime is 68898745483. The reversal of 68898745472 is 27454789886.

It can be written as a sum of positive squares in 2 ways, for example, as 68757230656 + 141514816 = 262216^2 + 11896^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68898745471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7269203 + ... + 7278674.

Almost surely, 2^68898745472 is an apocalyptic number.

It is an amenable number.

68898745472 is an abundant number, since it is smaller than the sum of its proper divisors (72070192348).

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

68898745472 is a wasteful number, since it uses less digits than its factorization.

68898745472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14547928 (or 14547916 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 68.

The spelling of 68898745472 in words is "sixty-eight billion, eight hundred ninety-eight million, seven hundred forty-five thousand, four hundred seventy-two".