67242805 has 16 divisors (see below), whose sum is σ = 97073280. Its totient is φ = 43682112.

The previous prime is 67242761. The next prime is 67242811. The reversal of 67242805 is 50824276.

It is a cyclic number.

It is not a de Polignac number, because 67242805 - 2¹³ = 67234613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49894 + ... + 51223.

It is an arithmetic number, because the mean of its divisors is an integer number (6067080).

Almost surely, 2^67242805 is an apocalyptic number.

It is an amenable number.

67242805 is a deficient number, since it is larger than the sum of its proper divisors (29830475).

67242805 is a wasteful number, since it uses less digits than its factorization.

67242805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101148.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 67242805 is about 8200.1710348017. The cubic root of 67242805 is about 406.6448475110.

The spelling of 67242805 in words is "sixty-seven million, two hundred forty-two thousand, eight hundred five".