69727716 has 120 divisors (see below), whose sum is σ = 194234040. Its totient is φ = 21772800.

The previous prime is 69727709. The next prime is 69727717. The reversal of 69727716 is 61772796.

It can be written as a sum of positive squares in 4 ways, for example, as 3240000 + 66487716 = 1800^2 + 8154^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69727717) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 385146 + ... + 385326.

It is an arithmetic number, because the mean of its divisors is an integer number (1618617).

Almost surely, 2^69727716 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 69727716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97117020).

69727716 is an abundant number, since it is smaller than the sum of its proper divisors (124506324).

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

69727716 is a wasteful number, since it uses less digits than its factorization.

69727716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 256 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 69727716 is about 8350.3123294880. The cubic root of 69727716 is about 411.5934737042.

The spelling of 69727716 in words is "sixty-nine million, seven hundred twenty-seven thousand, seven hundred sixteen".