68961306 has 16 divisors (see below), whose sum is σ = 139866048. Its totient is φ = 22663200.

The previous prime is 68961283. The next prime is 68961311. The reversal of 68961306 is 60316986.

It is a happy number.

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, 80515 + ... + 81366.

It is an arithmetic number, because the mean of its divisors is an integer number (8741628).

Almost surely, 2^68961306 is an apocalyptic number.

68961306 is an abundant number, since it is smaller than the sum of its proper divisors (70904742).

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

68961306 is a wasteful number, since it uses less digits than its factorization.

68961306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161957.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 68961306 is about 8304.2944311964. The cubic root of 68961306 is about 410.0799090727.

The spelling of 68961306 in words is "sixty-eight million, nine hundred sixty-one thousand, three hundred six".