68320662 has 8 divisors (see below), whose sum is σ = 136641336. Its totient is φ = 22773552.

The previous prime is 68320639. The next prime is 68320687. The reversal of 68320662 is 26602386.

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

68320662 is an admirable number.

It is a super-2 number, since 2×68320662² = 9335425712236488, which contains 22 as substring.

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, 5693383 + ... + 5693394.

It is an arithmetic number, because the mean of its divisors is an integer number (17080167).

Almost surely, 2^68320662 is an apocalyptic number.

68320662 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.

68320662 is a wasteful number, since it uses less digits than its factorization.

68320662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11386782.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 68320662 is about 8265.6313733435. The cubic root of 68320662 is about 408.8060884979.

The spelling of 68320662 in words is "sixty-eight million, three hundred twenty thousand, six hundred sixty-two".