69864244 has 12 divisors (see below), whose sum is σ = 122802624. Its totient is φ = 34777784.

The previous prime is 69864239. The next prime is 69864247. The reversal of 69864244 is 44246896.

It is a self number, because there is not a number n which added to its sum of digits gives 69864244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69864247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37564 + ... + 39379.

It is an arithmetic number, because the mean of its divisors is an integer number (10233552).

Almost surely, 2^69864244 is an apocalyptic number.

It is an amenable number.

69864244 is a deficient number, since it is larger than the sum of its proper divisors (52938380).

69864244 is a wasteful number, since it uses less digits than its factorization.

69864244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77174 (or 77172 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 69864244 is about 8358.4833552505. The cubic root of 69864244 is about 411.8619341317.

The spelling of 69864244 in words is "sixty-nine million, eight hundred sixty-four thousand, two hundred forty-four".