65027520 has 168 divisors, whose sum is σ = 227679504. Its totient is φ = 17031168.

The previous prime is 65027513. The next prime is 65027561. The reversal of 65027520 is 2572056.

65027520 is a `hidden beast` number, since 650 + 2 + 7 + 5 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192792 + ... + 193128.

Almost surely, 2^65027520 is an apocalyptic number.

65027520 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 65027520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113839752).

65027520 is an abundant number, since it is smaller than the sum of its proper divisors (162651984).

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

65027520 is a wasteful number, since it uses less digits than its factorization.

65027520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 65027520 is about 8063.9642856352. The cubic root of 65027520 is about 402.1293116336.

Adding to 65027520 its reverse (2572056), we get a palindrome (67599576).

The spelling of 65027520 in words is "sixty-five million, twenty-seven thousand, five hundred twenty".