68804355 has 32 divisors (see below), whose sum is σ = 119423808. Its totient is φ = 33689600.

The previous prime is 68804347. The next prime is 68804369. The reversal of 68804355 is 55340886.

It is a happy number.

It is not a de Polignac number, because 68804355 - 2³ = 68804347 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 7165 + ... + 13745.

It is an arithmetic number, because the mean of its divisors is an integer number (3731994).

Almost surely, 2^68804355 is an apocalyptic number.

68804355 is a deficient number, since it is larger than the sum of its proper divisors (50619453).

68804355 is a wasteful number, since it uses less digits than its factorization.

68804355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6647.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 68804355 is about 8294.8390581132. The cubic root of 68804355 is about 409.7685685762.

The spelling of 68804355 in words is "sixty-eight million, eight hundred four thousand, three hundred fifty-five".