68244069972 has 48 divisors (see below), whose sum is σ = 177016888832. Its totient is φ = 20320813440.

The previous prime is 68244069953. The next prime is 68244069977. The reversal of 68244069972 is 27996044286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68244069977) 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, 7051003 + ... + 7060674.

Almost surely, 2^68244069972 is an apocalyptic number.

68244069972 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

68244069972 is an abundant number, since it is smaller than the sum of its proper divisors (108772818860).

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

68244069972 is a wasteful number, since it uses less digits than its factorization.

68244069972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14111728 (or 14111726 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 68244069972 in words is "sixty-eight billion, two hundred forty-four million, sixty-nine thousand, nine hundred seventy-two".