67117472 has 12 divisors (see below), whose sum is σ = 132137586. Its totient is φ = 33558720.

The previous prime is 67117433. The next prime is 67117493. The reversal of 67117472 is 27471176.

It can be written as a sum of positive squares in only one way, i.e., 51782416 + 15335056 = 7196^2 + 3916^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048679 + ... + 1048742.

Almost surely, 2^67117472 is an apocalyptic number.

It is an amenable number.

67117472 is a deficient number, since it is larger than the sum of its proper divisors (65020114).

67117472 is a wasteful number, since it uses less digits than its factorization.

67117472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097431 (or 2097423 counting only the distinct ones).

The product of its digits is 16464, while the sum is 35.

The square root of 67117472 is about 8192.5253737782. The cubic root of 67117472 is about 406.3920436783.

The spelling of 67117472 in words is "sixty-seven million, one hundred seventeen thousand, four hundred seventy-two".