68965772 has 24 divisors (see below), whose sum is σ = 124282032. Its totient is φ = 33465600.

The previous prime is 68965769. The next prime is 68965781. The reversal of 68965772 is 27756986.

It is a self number, because there is not a number n which added to its sum of digits gives 68965772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33608 + ... + 35600.

It is an arithmetic number, because the mean of its divisors is an integer number (5178418).

Almost surely, 2^68965772 is an apocalyptic number.

It is an amenable number.

68965772 is a deficient number, since it is larger than the sum of its proper divisors (55316260).

68965772 is a wasteful number, since it uses less digits than its factorization.

68965772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249 (or 2247 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The square root of 68965772 is about 8304.5633238600. The cubic root of 68965772 is about 410.0887612704.

The spelling of 68965772 in words is "sixty-eight million, nine hundred sixty-five thousand, seven hundred seventy-two".