68636484 has 120 divisors (see below), whose sum is σ = 209297088. Its totient is φ = 19206720.

The previous prime is 68636483. The next prime is 68636489. The reversal of 68636484 is 48463686.

68636484 is a `hidden beast` number, since 6 + 8 + 636 + 4 + 8 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (68636483) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 119919 + ... + 120489.

Almost surely, 2^68636484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68636484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104648544).

68636484 is an abundant number, since it is smaller than the sum of its proper divisors (140660604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68636484 is a wasteful number, since it uses less digits than its factorization.

68636484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 636 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 68636484 is about 8284.7138755663. The cubic root of 68636484 is about 409.4350418237.

The spelling of 68636484 in words is "sixty-eight million, six hundred thirty-six thousand, four hundred eighty-four".