68046512 has 80 divisors (see below), whose sum is σ = 148651200. Its totient is φ = 30007296.

The previous prime is 68046493. The next prime is 68046527. The reversal of 68046512 is 21564086.

It is a super-2 number, since 2×68046512² = 9260655590732288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456614 + ... + 456762.

It is an arithmetic number, because the mean of its divisors is an integer number (1858140).

Almost surely, 2^68046512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68046512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74325600).

68046512 is an abundant number, since it is smaller than the sum of its proper divisors (80604688).

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

68046512 is a wasteful number, since it uses less digits than its factorization.

68046512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 68046512 is about 8249.0309733932. The cubic root of 68046512 is about 408.2585507180.

The spelling of 68046512 in words is "sixty-eight million, forty-six thousand, five hundred twelve".