68722886 has 8 divisors (see below), whose sum is σ = 108509880. Its totient is φ = 32552928.

The previous prime is 68722879. The next prime is 68722903. The reversal of 68722886 is 68822786.

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

It is a self number, because there is not a number n which added to its sum of digits gives 68722886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904211 + ... + 904286.

It is an arithmetic number, because the mean of its divisors is an integer number (13563735).

Almost surely, 2^68722886 is an apocalyptic number.

68722886 is a deficient number, since it is larger than the sum of its proper divisors (39786994).

68722886 is a wasteful number, since it uses less digits than its factorization.

68722886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808518.

The product of its digits is 516096, while the sum is 47.

The square root of 68722886 is about 8289.9267789287. The cubic root of 68722886 is about 409.6067734870.

The spelling of 68722886 in words is "sixty-eight million, seven hundred twenty-two thousand, eight hundred eighty-six".