68733290 has 16 divisors (see below), whose sum is σ = 125567712. Its totient is φ = 27082704.

The previous prime is 68733281. The next prime is 68733319. The reversal of 68733290 is 9233786.

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, 50624 + ... + 51963.

It is an arithmetic number, because the mean of its divisors is an integer number (7847982).

Almost surely, 2^68733290 is an apocalyptic number.

68733290 is a deficient number, since it is larger than the sum of its proper divisors (56834422).

68733290 is a wasteful number, since it uses less digits than its factorization.

68733290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102661.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 68733290 is about 8290.5542637389. The cubic root of 68733290 is about 409.6274426511.

The spelling of 68733290 in words is "sixty-eight million, seven hundred thirty-three thousand, two hundred ninety".