67084661 has 8 divisors (see below), whose sum is σ = 76999104. Its totient is φ = 57252960.

The previous prime is 67084657. The next prime is 67084679. The reversal of 67084661 is 16648076.

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 67084661 - 2² = 67084657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67084681) 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, 18935 + ... + 22196.

It is an arithmetic number, because the mean of its divisors is an integer number (9624888).

Almost surely, 2^67084661 is an apocalyptic number.

It is an amenable number.

67084661 is a deficient number, since it is larger than the sum of its proper divisors (9914443).

67084661 is a wasteful number, since it uses less digits than its factorization.

67084661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41371.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 67084661 is about 8190.5226328971. The cubic root of 67084661 is about 406.3258100416.

The spelling of 67084661 in words is "sixty-seven million, eighty-four thousand, six hundred sixty-one".