65069760 has 224 divisors, whose sum is σ = 246961152. Its totient is φ = 14192640.

The previous prime is 65069687. The next prime is 65069789. The reversal of 65069760 is 6796056.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154350 + ... + 154770.

Almost surely, 2^65069760 is an apocalyptic number.

65069760 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 65069760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123480576).

65069760 is an abundant number, since it is smaller than the sum of its proper divisors (181891392).

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

65069760 is a wasteful number, since it uses less digits than its factorization.

65069760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 65069760 is about 8066.5829196755. The cubic root of 65069760 is about 402.2163633188.

The spelling of 65069760 in words is "sixty-five million, sixty-nine thousand, seven hundred sixty".