67995463 has 4 divisors (see below), whose sum is σ = 68028480. Its totient is φ = 67962448.

The previous prime is 67995457. The next prime is 67995497. The reversal of 67995463 is 36459976.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67995463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67995413) 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, 13198 + ... + 17611.

It is an arithmetic number, because the mean of its divisors is an integer number (17007120).

Almost surely, 2^67995463 is an apocalyptic number.

67995463 is a deficient number, since it is larger than the sum of its proper divisors (33017).

67995463 is a wasteful number, since it uses less digits than its factorization.

67995463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33016.

The product of its digits is 1224720, while the sum is 49.

The square root of 67995463 is about 8245.9361506138. The cubic root of 67995463 is about 408.1564323089.

The spelling of 67995463 in words is "sixty-seven million, nine hundred ninety-five thousand, four hundred sixty-three".