67995555 has 48 divisors (see below), whose sum is σ = 115823520. Its totient is φ = 34045440.

The previous prime is 67995539. The next prime is 67995559. The reversal of 67995555 is 55559976.

It is not a de Polignac number, because 67995555 - 2⁴ = 67995539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67995498 and 67995507.

It is not an unprimeable number, because it can be changed into a prime (67995559) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 763951 + ... + 764039.

It is an arithmetic number, because the mean of its divisors is an integer number (2412990).

Almost surely, 2^67995555 is an apocalyptic number.

67995555 is a deficient number, since it is larger than the sum of its proper divisors (47827965).

67995555 is a wasteful number, since it uses less digits than its factorization.

67995555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 181 counting only the distinct ones).

The product of its digits is 2126250, while the sum is 51.

The square root of 67995555 is about 8245.9417291174. The cubic root of 67995555 is about 408.1566163916.

The spelling of 67995555 in words is "sixty-seven million, nine hundred ninety-five thousand, five hundred fifty-five".