69725760 has 224 divisors, whose sum is σ = 246473472. Its totient is φ = 16588800.

The previous prime is 69725759. The next prime is 69725779. The reversal of 69725760 is 6752796.

It is a happy number.

It is a super-3 number, since 3×69725760³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461685 + ... + 461835.

It is an arithmetic number, because the mean of its divisors is an integer number (1100328).

Almost surely, 2^69725760 is an apocalyptic number.

69725760 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 69725760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123236736).

69725760 is an abundant number, since it is smaller than the sum of its proper divisors (176747712).

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

69725760 is a wasteful number, since it uses less digits than its factorization.

69725760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 69725760 is about 8350.1952072990. The cubic root of 69725760 is about 411.5896249986.

The spelling of 69725760 in words is "sixty-nine million, seven hundred twenty-five thousand, seven hundred sixty".