69825216 has 56 divisors (see below), whose sum is σ = 189758320. Its totient is φ = 22643712.

The previous prime is 69825211. The next prime is 69825233. The reversal of 69825216 is 61252896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69825211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2190 + ... + 12018.

Almost surely, 2^69825216 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 69825216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94879160).

69825216 is an abundant number, since it is smaller than the sum of its proper divisors (119933104).

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

69825216 is a wasteful number, since it uses less digits than its factorization.

69825216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881 (or 9871 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 69825216 is about 8356.1483950442. The cubic root of 69825216 is about 411.7852275518.

The spelling of 69825216 in words is "sixty-nine million, eight hundred twenty-five thousand, two hundred sixteen".