69725335680 has 2048 divisors, whose sum is σ = 345461760000. Its totient is φ = 12819824640.

The previous prime is 69725335639. The next prime is 69725335681. The reversal of 69725335680 is 8653352796.

It is a happy number.

69725335680 is a `hidden beast` number, since 6 + 9 + 72 + 5 + 3 + 3 + 568 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (69725335681) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 501621051 + ... + 501621189.

It is an arithmetic number, because the mean of its divisors is an integer number (168682500).

Almost surely, 2^69725335680 is an apocalyptic number.

69725335680 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 69725335680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172730880000).

69725335680 is an abundant number, since it is smaller than the sum of its proper divisors (275736424320).

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

69725335680 is a wasteful number, since it uses less digits than its factorization.

69725335680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 69725335680 in words is "sixty-nine billion, seven hundred twenty-five million, three hundred thirty-five thousand, six hundred eighty".