68729698 has 16 divisors (see below), whose sum is σ = 105784704. Its totient is φ = 33475120.

The previous prime is 68729693. The next prime is 68729701. The reversal of 68729698 is 89692786.

It is not an unprimeable number, because it can be changed into a prime (68729693) 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, 19728 + ... + 22948.

It is an arithmetic number, because the mean of its divisors is an integer number (6611544).

Almost surely, 2^68729698 is an apocalyptic number.

68729698 is a deficient number, since it is larger than the sum of its proper divisors (37055006).

68729698 is a wasteful number, since it uses less digits than its factorization.

68729698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497.

The product of its digits is 2612736, while the sum is 55.

The square root of 68729698 is about 8290.3376288303. The cubic root of 68729698 is about 409.6203068202.

The spelling of 68729698 in words is "sixty-eight million, seven hundred twenty-nine thousand, six hundred ninety-eight".