67064272 has 20 divisors (see below), whose sum is σ = 141749856. Its totient is φ = 30483680.

The previous prime is 67064267. The next prime is 67064279. The reversal of 67064272 is 27246076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67064279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190348 + ... + 190699.

Almost surely, 2^67064272 is an apocalyptic number.

It is an amenable number.

67064272 is an abundant number, since it is smaller than the sum of its proper divisors (74685584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67064272 is a wasteful number, since it uses less digits than its factorization.

67064272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381066 (or 381060 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 67064272 is about 8189.2778680418. The cubic root of 67064272 is about 406.2846410855.

The spelling of 67064272 in words is "sixty-seven million, sixty-four thousand, two hundred seventy-two".