68614438572 has 72 divisors (see below), whose sum is σ = 179669009520. Its totient is φ = 22062881280.

The previous prime is 68614438549. The next prime is 68614438591. The reversal of 68614438572 is 27583441686.

It is a happy number.

68614438572 is a `hidden beast` number, since 6 + 8 + 61 + 4 + 4 + 3 + 8 + 572 = 666.

It is a super-2 number, since 2×68614438572² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129798 + ... + 392525.

It is an arithmetic number, because the mean of its divisors is an integer number (2495402910).

Almost surely, 2^68614438572 is an apocalyptic number.

It is an amenable number.

68614438572 is an abundant number, since it is smaller than the sum of its proper divisors (111054570948).

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

68614438572 is a wasteful number, since it uses less digits than its factorization.

68614438572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522463 (or 522458 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 68614438572 in words is "sixty-eight billion, six hundred fourteen million, four hundred thirty-eight thousand, five hundred seventy-two".