68484986 has 4 divisors (see below), whose sum is σ = 102727482. Its totient is φ = 34242492.

The previous prime is 68484971. The next prime is 68484989. The reversal of 68484986 is 68948486.

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., 63282025 + 5202961 = 7955^2 + 2281^2 .

It is not an unprimeable number, because it can be changed into a prime (68484989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17121245 + ... + 17121248.

Almost surely, 2^68484986 is an apocalyptic number.

68484986 is a deficient number, since it is larger than the sum of its proper divisors (34242496).

68484986 is a wasteful number, since it uses less digits than its factorization.

68484986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34242495.

The product of its digits is 2654208, while the sum is 53.

The square root of 68484986 is about 8275.5656000058. The cubic root of 68484986 is about 409.1335778405.

The spelling of 68484986 in words is "sixty-eight million, four hundred eighty-four thousand, nine hundred eighty-six".