69975216 has 60 divisors (see below), whose sum is σ = 197318472. Its totient is φ = 23148288.

The previous prime is 69975197. The next prime is 69975221. The reversal of 69975216 is 61257996.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 17955 + ... + 21501.

Almost surely, 2^69975216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69975216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98659236).

69975216 is an abundant number, since it is smaller than the sum of its proper divisors (127343256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69975216 is a wasteful number, since it uses less digits than its factorization.

69975216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698 (or 3689 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 69975216 is about 8365.1190069239. The cubic root of 69975216 is about 412.0798852228.

The spelling of 69975216 in words is "sixty-nine million, nine hundred seventy-five thousand, two hundred sixteen".