67495681 has 8 divisors (see below), whose sum is σ = 75344544. Its totient is φ = 59932320.

The previous prime is 67495651. The next prime is 67495699. The reversal of 67495681 is 18659476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67495681 - 2¹⁹ = 66971393 is a prime.

It is a super-2 number, since 2×67495681² = 9111333907307522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67495621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70876 + ... + 71821.

It is an arithmetic number, because the mean of its divisors is an integer number (9418068).

Almost surely, 2^67495681 is an apocalyptic number.

It is an amenable number.

67495681 is a deficient number, since it is larger than the sum of its proper divisors (7848863).

67495681 is a wasteful number, since it uses less digits than its factorization.

67495681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142751.

The product of its digits is 362880, while the sum is 46.

The square root of 67495681 is about 8215.5755124033. The cubic root of 67495681 is about 407.1539581783.

The spelling of 67495681 in words is "sixty-seven million, four hundred ninety-five thousand, six hundred eighty-one".