68320671 has 16 divisors (see below), whose sum is σ = 98038368. Its totient is φ = 42163200.

The previous prime is 68320639. The next prime is 68320687. The reversal of 68320671 is 17602386.

It is not a de Polignac number, because 68320671 - 2⁵ = 68320639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68320601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7870 + ... + 14091.

It is an arithmetic number, because the mean of its divisors is an integer number (6127398).

Almost surely, 2^68320671 is an apocalyptic number.

68320671 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

68320671 is a deficient number, since it is larger than the sum of its proper divisors (29717697).

68320671 is a wasteful number, since it uses less digits than its factorization.

68320671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22042.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 68320671 is about 8265.6319177665. The cubic root of 68320671 is about 408.8061064488.

The spelling of 68320671 in words is "sixty-eight million, three hundred twenty thousand, six hundred seventy-one".