67268071 has 4 divisors (see below), whose sum is σ = 72442552. Its totient is φ = 62093592.

The previous prime is 67268059. The next prime is 67268087. The reversal of 67268071 is 17086276.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67268071 - 2¹⁵ = 67235303 is a prime.

It is a super-2 number, since 2×67268071² = 9049986752122082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67268071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67268051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2587221 + ... + 2587246.

It is an arithmetic number, because the mean of its divisors is an integer number (18110638).

Almost surely, 2^67268071 is an apocalyptic number.

67268071 is a deficient number, since it is larger than the sum of its proper divisors (5174481).

67268071 is a wasteful number, since it uses less digits than its factorization.

67268071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174480.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 67268071 is about 8201.7114677365. The cubic root of 67268071 is about 406.6957724249.

The spelling of 67268071 in words is "sixty-seven million, two hundred sixty-eight thousand, seventy-one".