68356770 has 32 divisors (see below), whose sum is σ = 169715520. Its totient is φ = 17599680.

The previous prime is 68356733. The next prime is 68356777. The reversal of 68356770 is 7765386.

It is not an unprimeable number, because it can be changed into a prime (68356777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38416 + ... + 40155.

It is an arithmetic number, because the mean of its divisors is an integer number (5303610).

Almost surely, 2^68356770 is an apocalyptic number.

68356770 is an abundant number, since it is smaller than the sum of its proper divisors (101358750).

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

68356770 is a wasteful number, since it uses less digits than its factorization.

68356770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78610.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 68356770 is about 8267.8153099836. The cubic root of 68356770 is about 408.8780948774.

The spelling of 68356770 in words is "sixty-eight million, three hundred fifty-six thousand, seven hundred seventy".