68504408 has 32 divisors (see below), whose sum is σ = 149571360. Its totient is φ = 28803840.

The previous prime is 68504377. The next prime is 68504417. The reversal of 68504408 is 80440586.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8573 + ... + 14508.

It is an arithmetic number, because the mean of its divisors is an integer number (4674105).

Almost surely, 2^68504408 is an apocalyptic number.

It is an amenable number.

68504408 is an abundant number, since it is smaller than the sum of its proper divisors (81066952).

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

68504408 is a wasteful number, since it uses less digits than its factorization.

68504408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23147 (or 23143 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 68504408 is about 8276.7389713582. The cubic root of 68504408 is about 409.1722502647.

The spelling of 68504408 in words is "sixty-eight million, five hundred four thousand, four hundred eight".