68768737 has 8 divisors (see below), whose sum is σ = 69806016. Its totient is φ = 67736592.

The previous prime is 68768699. The next prime is 68768743. The reversal of 68768737 is 73786786.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68768737 - 2¹¹ = 68766689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68768837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31908 + ... + 33994.

It is an arithmetic number, because the mean of its divisors is an integer number (8725752).

Almost surely, 2^68768737 is an apocalyptic number.

It is an amenable number.

68768737 is a deficient number, since it is larger than the sum of its proper divisors (1037279).

68768737 is a wasteful number, since it uses less digits than its factorization.

68768737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567.

The product of its digits is 2370816, while the sum is 52.

The square root of 68768737 is about 8292.6917825276. The cubic root of 68768737 is about 409.6978479748.

The spelling of 68768737 in words is "sixty-eight million, seven hundred sixty-eight thousand, seven hundred thirty-seven".