65244760 has 64 divisors (see below), whose sum is σ = 171705600. Its totient is φ = 21845376.

The previous prime is 65244709. The next prime is 65244761. The reversal of 65244760 is 6744256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65244761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9331 + ... + 14749.

It is an arithmetic number, because the mean of its divisors is an integer number (2682900).

Almost surely, 2^65244760 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 65244760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85852800).

65244760 is an abundant number, since it is smaller than the sum of its proper divisors (106460840).

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

65244760 is a wasteful number, since it uses less digits than its factorization.

65244760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480 (or 5476 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 65244760 is about 8077.4228563323. The cubic root of 65244760 is about 402.5766169748.

The spelling of 65244760 in words is "sixty-five million, two hundred forty-four thousand, seven hundred sixty".