67244661 has 36 divisors (see below), whose sum is σ = 110766656. Its totient is φ = 40736520.

The previous prime is 67244641. The next prime is 67244693. The reversal of 67244661 is 16644276.

It is not a de Polignac number, because 67244661 - 2¹⁰ = 67243637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67244621) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28260 + ... + 30546.

Almost surely, 2^67244661 is an apocalyptic number.

It is an amenable number.

67244661 is a deficient number, since it is larger than the sum of its proper divisors (43521995).

67244661 is a wasteful number, since it uses less digits than its factorization.

67244661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324 (or 2301 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 67244661 is about 8200.2842023920. The cubic root of 67244661 is about 406.6485888079.

The spelling of 67244661 in words is "sixty-seven million, two hundred forty-four thousand, six hundred sixty-one".