68733408 has 24 divisors (see below), whose sum is σ = 180425448. Its totient is φ = 22911104.

The previous prime is 68733391. The next prime is 68733409. The reversal of 68733408 is 80433786.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68733409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357891 + ... + 358082.

It is an arithmetic number, because the mean of its divisors is an integer number (7517727).

Almost surely, 2^68733408 is an apocalyptic number.

It is an amenable number.

68733408 is an abundant number, since it is smaller than the sum of its proper divisors (111692040).

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

68733408 is a wasteful number, since it uses less digits than its factorization.

68733408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715986 (or 715978 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 68733408 is about 8290.5613802685. The cubic root of 68733408 is about 409.6276770645.

The spelling of 68733408 in words is "sixty-eight million, seven hundred thirty-three thousand, four hundred eight".