212715768 has 32 divisors (see below), whose sum is σ = 540806400. Its totient is φ = 69703008.

The previous prime is 212715761. The next prime is 212715791. The reversal of 212715768 is 867517212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212715761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73696 + ... + 76527.

It is an arithmetic number, because the mean of its divisors is an integer number (16900200).

Almost surely, 2^212715768 is an apocalyptic number.

It is an amenable number.

212715768 is an abundant number, since it is smaller than the sum of its proper divisors (328090632).

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

212715768 is a wasteful number, since it uses less digits than its factorization.

212715768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150291 (or 150287 counting only the distinct ones).

The product of its digits is 47040, while the sum is 39.

The square root of 212715768 is about 14584.7786407611. The cubic root of 212715768 is about 596.9435005691.

The spelling of 212715768 in words is "two hundred twelve million, seven hundred fifteen thousand, seven hundred sixty-eight".