68622620 has 48 divisors (see below), whose sum is σ = 157925376. Its totient is φ = 24840000.

The previous prime is 68622601. The next prime is 68622629. The reversal of 68622620 is 2622686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68622629) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 59045 + ... + 60195.

It is an arithmetic number, because the mean of its divisors is an integer number (3290112).

Almost surely, 2^68622620 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 68622620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78962688).

68622620 is an abundant number, since it is smaller than the sum of its proper divisors (89302756).

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

68622620 is a wasteful number, since it uses less digits than its factorization.

68622620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 68622620 is about 8283.8771115945. The cubic root of 68622620 is about 409.4074724742.

The spelling of 68622620 in words is "sixty-eight million, six hundred twenty-two thousand, six hundred twenty".