69066249 has 16 divisors (see below), whose sum is σ = 106687872. Its totient is φ = 38924928.

The previous prime is 69066241. The next prime is 69066251. The reversal of 69066249 is 94266096.

It is not a de Polignac number, because 69066249 - 2³ = 69066241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69066249.

It is not an unprimeable number, because it can be changed into a prime (69066241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20994 + ... + 24059.

It is an arithmetic number, because the mean of its divisors is an integer number (6667992).

Almost surely, 2^69066249 is an apocalyptic number.

It is an amenable number.

69066249 is a deficient number, since it is larger than the sum of its proper divisors (37621623).

69066249 is a wasteful number, since it uses less digits than its factorization.

69066249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45136.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 69066249 is about 8310.6106273847. The cubic root of 69066249 is about 410.2878189238.

The spelling of 69066249 in words is "sixty-nine million, sixty-six thousand, two hundred forty-nine".