68622771 has 16 divisors (see below), whose sum is σ = 105324800. Its totient is φ = 38929248.

The previous prime is 68622769. The next prime is 68622779. The reversal of 68622771 is 17722686.

It is not a de Polignac number, because 68622771 - 2¹ = 68622769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68622779) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8836 + ... + 14673.

It is an arithmetic number, because the mean of its divisors is an integer number (6582800).

Almost surely, 2^68622771 is an apocalyptic number.

68622771 is a deficient number, since it is larger than the sum of its proper divisors (36702029).

68622771 is a wasteful number, since it uses less digits than its factorization.

68622771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23658.

The product of its digits is 56448, while the sum is 39.

The square root of 68622771 is about 8283.8862256793. The cubic root of 68622771 is about 409.4077727662.

The spelling of 68622771 in words is "sixty-eight million, six hundred twenty-two thousand, seven hundred seventy-one".