67987796 has 12 divisors (see below), whose sum is σ = 122194548. Its totient is φ = 33075072.

The previous prime is 67987741. The next prime is 67987807. The reversal of 67987796 is 69778976.

It can be written as a sum of positive squares in 2 ways, for example, as 64224196 + 3763600 = 8014^2 + 1940^2 .

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, 229541 + ... + 229836.

It is an arithmetic number, because the mean of its divisors is an integer number (10182879).

Almost surely, 2^67987796 is an apocalyptic number.

It is an amenable number.

67987796 is a deficient number, since it is larger than the sum of its proper divisors (54206752).

67987796 is a wasteful number, since it uses less digits than its factorization.

67987796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459418 (or 459416 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 59.

The square root of 67987796 is about 8245.4712418394. The cubic root of 67987796 is about 408.1410908294.

The spelling of 67987796 in words is "sixty-seven million, nine hundred eighty-seven thousand, seven hundred ninety-six".