68450684 has 12 divisors (see below), whose sum is σ = 121577064. Its totient is φ = 33714384.

The previous prime is 68450671. The next prime is 68450693. The reversal of 68450684 is 48605486.

It is a super-2 number, since 2×68450684² = 9370992280135712, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 127439 + ... + 127974.

It is an arithmetic number, because the mean of its divisors is an integer number (10131422).

Almost surely, 2^68450684 is an apocalyptic number.

It is an amenable number.

68450684 is a deficient number, since it is larger than the sum of its proper divisors (53126380).

68450684 is a wasteful number, since it uses less digits than its factorization.

68450684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255484 (or 255482 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 68450684 is about 8273.4928536864. The cubic root of 68450684 is about 409.0652590038.

The spelling of 68450684 in words is "sixty-eight million, four hundred fifty thousand, six hundred eighty-four".