68830670736 has 45 divisors (see below), whose sum is σ = 192639091099. Its totient is φ = 22942507488.

The previous prime is 68830670731. The next prime is 68830670761. The reversal of 68830670736 is 63707603886.

The square root of 68830670736 is 262356.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×68830670736² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68830670731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3137341 + ... + 3159203.

Almost surely, 2^68830670736 is an apocalyptic number.

68830670736 is the 262356-th square number.

It is an amenable number.

68830670736 is an abundant number, since it is smaller than the sum of its proper divisors (123808420363).

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

68830670736 is an frugal number, since it uses more digits than its factorization.

68830670736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43740 (or 21868 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 68830670736 in words is "sixty-eight billion, eight hundred thirty million, six hundred seventy thousand, seven hundred thirty-six".