68849622 has 64 divisors (see below), whose sum is σ = 158400000. Its totient is φ = 22153824.

The previous prime is 68849617. The next prime is 68849633. The reversal of 68849622 is 22694886.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345879 + ... + 346077.

It is an arithmetic number, because the mean of its divisors is an integer number (2475000).

Almost surely, 2^68849622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68849622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79200000).

68849622 is an abundant number, since it is smaller than the sum of its proper divisors (89550378).

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

68849622 is a wasteful number, since it uses less digits than its factorization.

68849622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 396 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 68849622 is about 8297.5672338343. The cubic root of 68849622 is about 409.8584123437.

The spelling of 68849622 in words is "sixty-eight million, eight hundred forty-nine thousand, six hundred twenty-two".