68722834 has 4 divisors (see below), whose sum is σ = 103084254. Its totient is φ = 34361416.

The previous prime is 68722831. The next prime is 68722879. The reversal of 68722834 is 43822786.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47128225 + 21594609 = 6865^2 + 4647^2 .

It is not an unprimeable number, because it can be changed into a prime (68722831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17180707 + ... + 17180710.

Almost surely, 2^68722834 is an apocalyptic number.

68722834 is a deficient number, since it is larger than the sum of its proper divisors (34361420).

68722834 is a wasteful number, since it uses less digits than its factorization.

68722834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34361419.

The product of its digits is 129024, while the sum is 40.

The square root of 68722834 is about 8289.9236425916. The cubic root of 68722834 is about 409.6066701756.

The spelling of 68722834 in words is "sixty-eight million, seven hundred twenty-two thousand, eight hundred thirty-four".