68634012 has 24 divisors (see below), whose sum is σ = 160964496. Its totient is φ = 22761088.

The previous prime is 68634011. The next prime is 68634073. The reversal of 68634012 is 21043686.

It is a super-2 number, since 2×68634012² = 9421255206432288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68634011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12153 + ... + 16880.

It is an arithmetic number, because the mean of its divisors is an integer number (6706854).

Almost surely, 2^68634012 is an apocalyptic number.

It is an amenable number.

68634012 is an abundant number, since it is smaller than the sum of its proper divisors (92330484).

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

68634012 is a wasteful number, since it uses less digits than its factorization.

68634012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29237 (or 29235 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 68634012 is about 8284.5646837960. The cubic root of 68634012 is about 409.4301263836.

Adding to 68634012 its reverse (21043686), we get a palindrome (89677698).

The spelling of 68634012 in words is "sixty-eight million, six hundred thirty-four thousand, twelve".