67798772 has 12 divisors (see below), whose sum is σ = 118879236. Its totient is φ = 33833280.

The previous prime is 67798741. The next prime is 67798793. The reversal of 67798772 is 27789776.

It can be written as a sum of positive squares in 2 ways, for example, as 19412836 + 48385936 = 4406^2 + 6956^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 14183 + ... + 18350.

It is an arithmetic number, because the mean of its divisors is an integer number (9906603).

Almost surely, 2^67798772 is an apocalyptic number.

It is an amenable number.

67798772 is a deficient number, since it is larger than the sum of its proper divisors (51080464).

67798772 is a wasteful number, since it uses less digits than its factorization.

67798772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33058 (or 33056 counting only the distinct ones).

The product of its digits is 2074464, while the sum is 53.

The square root of 67798772 is about 8234.0009715812. Note that the first 3 decimals coincide. The cubic root of 67798772 is about 407.7624931279.

It can be divided in two parts, 6779 and 8772, that added together give a palindrome (15551).

The spelling of 67798772 in words is "sixty-seven million, seven hundred ninety-eight thousand, seven hundred seventy-two".