68357884 has 24 divisors (see below), whose sum is σ = 144758880. Its totient is φ = 27572736.

The previous prime is 68357879. The next prime is 68357899. The reversal of 68357884 is 48875386.

68357884 = T₂₉ + T₃₀ + ... + T₇₄₂.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 71329 + ... + 72280.

It is an arithmetic number, because the mean of its divisors is an integer number (6031620).

Almost surely, 2^68357884 is an apocalyptic number.

It is an amenable number.

68357884 is an abundant number, since it is smaller than the sum of its proper divisors (76400996).

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

68357884 is a wasteful number, since it uses less digits than its factorization.

68357884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143637 (or 143635 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 68357884 is about 8267.8826793805. The cubic root of 68357884 is about 408.8803160069.

The spelling of 68357884 in words is "sixty-eight million, three hundred fifty-seven thousand, eight hundred eighty-four".