69805229760 has 672 divisors, whose sum is σ = 286243776000. Its totient is φ = 15861547008.

The previous prime is 69805229729. The next prime is 69805229773. The reversal of 69805229760 is 6792250896.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 69805229697 and 69805229706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 139889991 + ... + 139890489.

It is an arithmetic number, because the mean of its divisors is an integer number (425958000).

Almost surely, 2^69805229760 is an apocalyptic number.

69805229760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69805229760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143121888000).

69805229760 is an abundant number, since it is smaller than the sum of its proper divisors (216438546240).

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

69805229760 is a wasteful number, since it uses less digits than its factorization.

69805229760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 69805229760 in words is "sixty-nine billion, eight hundred five million, two hundred twenty-nine thousand, seven hundred sixty".