67442241 has 8 divisors (see below), whose sum is σ = 90025344. Its totient is φ = 44910320.

The previous prime is 67442239. The next prime is 67442293. The reversal of 67442241 is 14224476.

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 67442241 - 2¹ = 67442239 is a prime.

It is a super-2 number, since 2×67442241² = 9096911742204162, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67442199 and 67442208.

It is not an unprimeable number, because it can be changed into a prime (67442041) 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, 9606 + ... + 15071.

It is an arithmetic number, because the mean of its divisors is an integer number (11253168).

Almost surely, 2^67442241 is an apocalyptic number.

It is an amenable number.

67442241 is a deficient number, since it is larger than the sum of its proper divisors (22583103).

67442241 is a wasteful number, since it uses less digits than its factorization.

67442241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25591.

The product of its digits is 10752, while the sum is 30.

The square root of 67442241 is about 8212.3225094975. The cubic root of 67442241 is about 407.0464744987.

The spelling of 67442241 in words is "sixty-seven million, four hundred forty-two thousand, two hundred forty-one".