67763216 has 10 divisors (see below), whose sum is σ = 131291262. Its totient is φ = 33881600.

The previous prime is 67763209. The next prime is 67763219. The reversal of 67763216 is 61236776.

It can be written as a sum of positive squares in only one way, i.e., 62473216 + 5290000 = 7904^2 + 2300^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 67763216.

It is not an unprimeable number, because it can be changed into a prime (67763219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2117585 + ... + 2117616.

Almost surely, 2^67763216 is an apocalyptic number.

It is an amenable number.

67763216 is a deficient number, since it is larger than the sum of its proper divisors (63528046).

67763216 is a wasteful number, since it uses less digits than its factorization.

67763216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235209 (or 4235203 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 67763216 is about 8231.8415922563. The cubic root of 67763216 is about 407.6911991207.

The spelling of 67763216 in words is "sixty-seven million, seven hundred sixty-three thousand, two hundred sixteen".