68388354 has 16 divisors (see below), whose sum is σ = 151974240. Its totient is φ = 22796100.

The previous prime is 68388349. The next prime is 68388367. The reversal of 68388354 is 45388386.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633172 + ... + 633279.

It is an arithmetic number, because the mean of its divisors is an integer number (9498390).

Almost surely, 2^68388354 is an apocalyptic number.

68388354 is an abundant number, since it is smaller than the sum of its proper divisors (83585886).

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

68388354 is a wasteful number, since it uses less digits than its factorization.

68388354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266462 (or 1266456 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 68388354 is about 8269.7251465814. The cubic root of 68388354 is about 408.9410587325.

The spelling of 68388354 in words is "sixty-eight million, three hundred eighty-eight thousand, three hundred fifty-four".