69729743232 has 96 divisors (see below), whose sum is σ = 200776899960. Its totient is φ = 23229081600.

The previous prime is 69729743227. The next prime is 69729743233. The reversal of 69729743232 is 23234792796.

69729743232 is a `hidden beast` number, since 6 + 97 + 2 + 97 + 432 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69729743233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1965007 + ... + 2000177.

Almost surely, 2^69729743232 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 69729743232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100388449980).

69729743232 is an abundant number, since it is smaller than the sum of its proper divisors (131047156728).

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

69729743232 is a wasteful number, since it uses less digits than its factorization.

69729743232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36912 (or 36897 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The spelling of 69729743232 in words is "sixty-nine billion, seven hundred twenty-nine million, seven hundred forty-three thousand, two hundred thirty-two".