68736622 has 4 divisors (see below), whose sum is σ = 103104936. Its totient is φ = 34368310.

The previous prime is 68736587. The next prime is 68736637. The reversal of 68736622 is 22663786.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17184154 + ... + 17184157.

It is an arithmetic number, because the mean of its divisors is an integer number (25776234).

Almost surely, 2^68736622 is an apocalyptic number.

68736622 is a deficient number, since it is larger than the sum of its proper divisors (34368314).

68736622 is a wasteful number, since it uses less digits than its factorization.

68736622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34368313.

The product of its digits is 145152, while the sum is 40.

The square root of 68736622 is about 8290.7552128862. The cubic root of 68736622 is about 409.6340617464.

The spelling of 68736622 in words is "sixty-eight million, seven hundred thirty-six thousand, six hundred twenty-two".