68772782 has 16 divisors (see below), whose sum is σ = 111268752. Its totient is φ = 31691520.

The previous prime is 68772779. The next prime is 68772793. The reversal of 68772782 is 28727786.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18782 + ... + 22142.

It is an arithmetic number, because the mean of its divisors is an integer number (6954297).

Almost surely, 2^68772782 is an apocalyptic number.

68772782 is a deficient number, since it is larger than the sum of its proper divisors (42495970).

68772782 is a wasteful number, since it uses less digits than its factorization.

68772782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163.

The product of its digits is 526848, while the sum is 47.

The square root of 68772782 is about 8292.9356683867. The cubic root of 68772782 is about 409.7058806719.

The spelling of 68772782 in words is "sixty-eight million, seven hundred seventy-two thousand, seven hundred eighty-two".