69465216 has 64 divisors (see below), whose sum is σ = 194248800. Its totient is φ = 21934080.

The previous prime is 69465211. The next prime is 69465217. The reversal of 69465216 is 61256496.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (69465211) 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, 2536 + ... + 12056.

Almost surely, 2^69465216 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 69465216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97124400).

69465216 is an abundant number, since it is smaller than the sum of its proper divisors (124783584).

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

69465216 is a wasteful number, since it uses less digits than its factorization.

69465216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9557 (or 9545 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 69465216 is about 8334.5795334858. The cubic root of 69465216 is about 411.0763232853.

It can be divided in two parts, 6 and 9465216, that multiplied together give a square (56791296 = 7536²).

The spelling of 69465216 in words is "sixty-nine million, four hundred sixty-five thousand, two hundred sixteen".