68786937 has 18 divisors (see below), whose sum is σ = 100378122. Its totient is φ = 45391104.

The previous prime is 68786933. The next prime is 68786969. The reversal of 68786937 is 73968786.

It can be written as a sum of positive squares in only one way, i.e., 51322896 + 17464041 = 7164^2 + 4179^2 .

It is not a de Polignac number, because 68786937 - 2² = 68786933 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68786933) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 345564 + ... + 345762.

Almost surely, 2^68786937 is an apocalyptic number.

It is an amenable number.

68786937 is a deficient number, since it is larger than the sum of its proper divisors (31591185).

68786937 is a wasteful number, since it uses less digits than its factorization.

68786937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 395 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 68786937 is about 8293.7890617015. The cubic root of 68786937 is about 409.7339876678.

The spelling of 68786937 in words is "sixty-eight million, seven hundred eighty-six thousand, nine hundred thirty-seven".