68727898 has 8 divisors (see below), whose sum is σ = 103520340. Its totient is φ = 34221120.

The previous prime is 68727881. The next prime is 68727913. The reversal of 68727898 is 89872786.

It can be written as a sum of positive squares in 2 ways, for example, as 66048129 + 2679769 = 8127^2 + 1637^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70813 + ... + 71776.

Almost surely, 2^68727898 is an apocalyptic number.

68727898 is a deficient number, since it is larger than the sum of its proper divisors (34792442).

68727898 is a wasteful number, since it uses less digits than its factorization.

68727898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142832.

The product of its digits is 2709504, while the sum is 55.

The square root of 68727898 is about 8290.2290680053. The cubic root of 68727898 is about 409.6167308649.

The spelling of 68727898 in words is "sixty-eight million, seven hundred twenty-seven thousand, eight hundred ninety-eight".