68812562 has 24 divisors (see below), whose sum is σ = 129309516. Its totient is φ = 27222048.

The previous prime is 68812543. The next prime is 68812577. The reversal of 68812562 is 26521886.

It can be written as a sum of positive squares in 2 ways, for example, as 56415121 + 12397441 = 7511^2 + 3521^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25733 + ... + 28280.

Almost surely, 2^68812562 is an apocalyptic number.

68812562 is a deficient number, since it is larger than the sum of its proper divisors (60496954).

68812562 is a wasteful number, since it uses less digits than its factorization.

68812562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54042 (or 54035 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 68812562 is about 8295.3337485601. Note that the first 3 decimals coincide. The cubic root of 68812562 is about 409.7848603596.

The spelling of 68812562 in words is "sixty-eight million, eight hundred twelve thousand, five hundred sixty-two".