68733771 has 16 divisors (see below), whose sum is σ = 97459200. Its totient is φ = 42939008.

The previous prime is 68733767. The next prime is 68733793. The reversal of 68733771 is 17733786.

It is not a de Polignac number, because 68733771 - 2² = 68733767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68733701) 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, 9370 + ... + 15008.

It is an arithmetic number, because the mean of its divisors is an integer number (6091200).

Almost surely, 2^68733771 is an apocalyptic number.

68733771 is a deficient number, since it is larger than the sum of its proper divisors (28725429).

68733771 is a wasteful number, since it uses less digits than its factorization.

68733771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898.

The product of its digits is 148176, while the sum is 42.

The square root of 68733771 is about 8290.5832726051. The cubic root of 68733771 is about 409.6283981820.

The spelling of 68733771 in words is "sixty-eight million, seven hundred thirty-three thousand, seven hundred seventy-one".