68884904 has 16 divisors (see below), whose sum is σ = 140901120. Its totient is φ = 31311280.

The previous prime is 68884903. The next prime is 68884951. The reversal of 68884904 is 40948886.

It is not an unprimeable number, because it can be changed into a prime (68884903) by changing a digit.

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, 391304 + ... + 391479.

It is an arithmetic number, because the mean of its divisors is an integer number (8806320).

Almost surely, 2^68884904 is an apocalyptic number.

It is an amenable number.

68884904 is an abundant number, since it is smaller than the sum of its proper divisors (72016216).

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

68884904 is a wasteful number, since it uses less digits than its factorization.

68884904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782800 (or 782796 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 68884904 is about 8299.6930063708. The cubic root of 68884904 is about 409.9284110582.

The spelling of 68884904 in words is "sixty-eight million, eight hundred eighty-four thousand, nine hundred four".