67440241 has 16 divisors (see below), whose sum is σ = 78522048. Its totient is φ = 57241600.

The previous prime is 67440229. The next prime is 67440259. The reversal of 67440241 is 14204476.

It is a cyclic number.

It is not a de Polignac number, because 67440241 - 2²³ = 59051633 is a prime.

It is a super-2 number, since 2×67440241² = 9096372212276162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67444241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23121 + ... + 25873.

It is an arithmetic number, because the mean of its divisors is an integer number (4907628).

Almost surely, 2^67440241 is an apocalyptic number.

It is an amenable number.

67440241 is a deficient number, since it is larger than the sum of its proper divisors (11081807).

67440241 is a wasteful number, since it uses less digits than its factorization.

67440241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 67440241 is about 8212.2007403619. The cubic root of 67440241 is about 407.0424508038.

The spelling of 67440241 in words is "sixty-seven million, four hundred forty thousand, two hundred forty-one".