68920662 has 8 divisors (see below), whose sum is σ = 137841336. Its totient is φ = 22973552.

The previous prime is 68920651. The next prime is 68920679. The reversal of 68920662 is 26602986.

It is a sphenic number, since it is the product of 3 distinct primes.

68920662 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 68920662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5743383 + ... + 5743394.

It is an arithmetic number, because the mean of its divisors is an integer number (17230167).

Almost surely, 2^68920662 is an apocalyptic number.

68920662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68920662 is a wasteful number, since it uses less digits than its factorization.

68920662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11486782.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 68920662 is about 8301.8469029488. The cubic root of 68920662 is about 409.9993297629. Note that the first 3 decimals are identical.

The spelling of 68920662 in words is "sixty-eight million, nine hundred twenty thousand, six hundred sixty-two".