69716320 has 144 divisors (see below), whose sum is σ = 186647328. Its totient is φ = 24514560.

The previous prime is 69716237. The next prime is 69716327. The reversal of 69716320 is 2361796.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69716327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 981885 + ... + 981955.

It is an arithmetic number, because the mean of its divisors is an integer number (1296162).

Almost surely, 2^69716320 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 69716320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93323664).

69716320 is an abundant number, since it is smaller than the sum of its proper divisors (116931008).

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

69716320 is a wasteful number, since it uses less digits than its factorization.

69716320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 69716320 is about 8349.6299319191. The cubic root of 69716320 is about 411.5710494562.

The spelling of 69716320 in words is "sixty-nine million, seven hundred sixteen thousand, three hundred twenty".