68770312 has 16 divisors (see below), whose sum is σ = 138863340. Its totient is φ = 31740096.

The previous prime is 68770283. The next prime is 68770327. The reversal of 68770312 is 21307786.

It can be written as a sum of positive squares in 2 ways, for example, as 68326756 + 443556 = 8266^2 + 666^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330523 + ... + 330730.

Almost surely, 2^68770312 is an apocalyptic number.

It is an amenable number.

68770312 is an abundant number, since it is smaller than the sum of its proper divisors (70093028).

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

68770312 is a wasteful number, since it uses less digits than its factorization.

68770312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661272 (or 661268 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 68770312 is about 8292.7867451177. The cubic root of 68770312 is about 409.7009757002.

The spelling of 68770312 in words is "sixty-eight million, seven hundred seventy thousand, three hundred twelve".