68012056 has 64 divisors (see below), whose sum is σ = 150036480. Its totient is φ = 28304640.

The previous prime is 68012051. The next prime is 68012059. The reversal of 68012056 is 65021086.

It is a super-2 number, since 2×68012056² = 9251279522694272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68012051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519111 + ... + 519241.

It is an arithmetic number, because the mean of its divisors is an integer number (2344320).

Almost surely, 2^68012056 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 68012056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75018240).

68012056 is an abundant number, since it is smaller than the sum of its proper divisors (82024424).

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

68012056 is a wasteful number, since it uses less digits than its factorization.

68012056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 68012056 is about 8246.9422212114. The cubic root of 68012056 is about 408.1896305477.

The spelling of 68012056 in words is "sixty-eight million, twelve thousand, fifty-six".