68312284 has 24 divisors (see below), whose sum is σ = 124669440. Its totient is φ = 32711616.

The previous prime is 68312269. The next prime is 68312287. The reversal of 68312284 is 48221386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68312287) 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, 12414 + ... + 17050.

It is an arithmetic number, because the mean of its divisors is an integer number (5194560).

Almost surely, 2^68312284 is an apocalyptic number.

It is an amenable number.

68312284 is a deficient number, since it is larger than the sum of its proper divisors (56357156).

68312284 is a wasteful number, since it uses less digits than its factorization.

68312284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797 (or 4795 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 68312284 is about 8265.1245604649. The cubic root of 68312284 is about 408.7893775092.

The spelling of 68312284 in words is "sixty-eight million, three hundred twelve thousand, two hundred eighty-four".