68581804 has 6 divisors (see below), whose sum is σ = 120018164. Its totient is φ = 34290900.

The previous prime is 68581787. The next prime is 68581817. The reversal of 68581804 is 40818586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8572722 + ... + 8572729.

Almost surely, 2^68581804 is an apocalyptic number.

It is an amenable number.

68581804 is a deficient number, since it is larger than the sum of its proper divisors (51436360).

68581804 is a wasteful number, since it uses less digits than its factorization.

68581804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17145455 (or 17145453 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 68581804 is about 8281.4131644303. The cubic root of 68581804 is about 409.3262859813.

The spelling of 68581804 in words is "sixty-eight million, five hundred eighty-one thousand, eight hundred four".