69990265 has 8 divisors (see below), whose sum is σ = 87640128. Its totient is φ = 53557680.

The previous prime is 69990259. The next prime is 69990289. The reversal of 69990265 is 56209996.

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

It is not a de Polignac number, because 69990265 - 2³ = 69990257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304191 + ... + 304420.

It is an arithmetic number, because the mean of its divisors is an integer number (10955016).

Almost surely, 2^69990265 is an apocalyptic number.

It is an amenable number.

69990265 is a deficient number, since it is larger than the sum of its proper divisors (17649863).

69990265 is a wasteful number, since it uses less digits than its factorization.

69990265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608639.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 69990265 is about 8366.0184675866. The cubic root of 69990265 is about 412.1094239940.

The spelling of 69990265 in words is "sixty-nine million, nine hundred ninety thousand, two hundred sixty-five".