68658394 has 16 divisors (see below), whose sum is σ = 117937728. Its totient is φ = 29365632.

The previous prime is 68658361. The next prime is 68658407. The reversal of 68658394 is 49385686.

It is a happy 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, 2634 + ... + 12010.

It is an arithmetic number, because the mean of its divisors is an integer number (7371108).

Almost surely, 2^68658394 is an apocalyptic number.

68658394 is a deficient number, since it is larger than the sum of its proper divisors (49279334).

68658394 is a wasteful number, since it uses less digits than its factorization.

68658394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9909.

The product of its digits is 1244160, while the sum is 49.

The square root of 68658394 is about 8286.0360848840. The cubic root of 68658394 is about 409.4786035316.

The spelling of 68658394 in words is "sixty-eight million, six hundred fifty-eight thousand, three hundred ninety-four".