67000881 has 4 divisors (see below), whose sum is σ = 89334512. Its totient is φ = 44667252.

The previous prime is 67000873. The next prime is 67000937. The reversal of 67000881 is 18800076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67000881 - 2³ = 67000873 is a prime.

It is a super-2 number, since 2×67000881² = 8978236109552322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67000811) 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, 11166811 + ... + 11166816.

It is an arithmetic number, because the mean of its divisors is an integer number (22333628).

Almost surely, 2^67000881 is an apocalyptic number.

It is an amenable number.

67000881 is a deficient number, since it is larger than the sum of its proper divisors (22333631).

67000881 is a wasteful number, since it uses less digits than its factorization.

67000881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22333630.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 67000881 is about 8185.4065873358. The cubic root of 67000881 is about 406.1565902476.

The spelling of 67000881 in words is "sixty-seven million, eight hundred eighty-one", and thus it is an aban number.