68394012 has 24 divisors (see below), whose sum is σ = 161053200. Its totient is φ = 22588416.

The previous prime is 68393999. The next prime is 68394023. The reversal of 68394012 is 21049386.

It is a super-2 number, since 2×68394012² = 9355481754912288, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 24837 + ... + 27452.

It is an arithmetic number, because the mean of its divisors is an integer number (6710550).

Almost surely, 2^68394012 is an apocalyptic number.

It is an amenable number.

68394012 is an abundant number, since it is smaller than the sum of its proper divisors (92659188).

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

68394012 is a wasteful number, since it uses less digits than its factorization.

68394012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52405 (or 52403 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 68394012 is about 8270.0672306820. The cubic root of 68394012 is about 408.9523361142.

The spelling of 68394012 in words is "sixty-eight million, three hundred ninety-four thousand, twelve".