68788071 has 12 divisors (see below), whose sum is σ = 108393480. Its totient is φ = 41689680.

The previous prime is 68788033. The next prime is 68788079. The reversal of 68788071 is 17088786.

It is a de Polignac number, because none of the positive numbers 2^k-68788071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68788079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347316 + ... + 347513.

It is an arithmetic number, because the mean of its divisors is an integer number (9032790).

Almost surely, 2^68788071 is an apocalyptic number.

68788071 is a deficient number, since it is larger than the sum of its proper divisors (39605409).

68788071 is a wasteful number, since it uses less digits than its factorization.

68788071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694846 (or 694843 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The square root of 68788071 is about 8293.8574258303. The cubic root of 68788071 is about 409.7362392377.

The spelling of 68788071 in words is "sixty-eight million, seven hundred eighty-eight thousand, seventy-one".