67006541 has 8 divisors (see below), whose sum is σ = 76918080. Its totient is φ = 57179808.

The previous prime is 67006517. The next prime is 67006549. The reversal of 67006541 is 14560076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67006541 - 2²² = 62812237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67006549) 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, 19496 + ... + 22673.

It is an arithmetic number, because the mean of its divisors is an integer number (9614760).

Almost surely, 2^67006541 is an apocalyptic number.

It is an amenable number.

67006541 is a deficient number, since it is larger than the sum of its proper divisors (9911539).

67006541 is a wasteful number, since it uses less digits than its factorization.

67006541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42403.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 67006541 is about 8185.7523172889. The cubic root of 67006541 is about 406.1680268215.

The spelling of 67006541 in words is "sixty-seven million, six thousand, five hundred forty-one".