65913760 has 96 divisors (see below), whose sum is σ = 179952192. Its totient is φ = 22548480.

The previous prime is 65913751. The next prime is 65913767. The reversal of 65913760 is 6731956.

It is not an unprimeable number, because it can be changed into a prime (65913767) 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, 28819 + ... + 31021.

It is an arithmetic number, because the mean of its divisors is an integer number (1874502).

Almost surely, 2^65913760 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 65913760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89976096).

65913760 is an abundant number, since it is smaller than the sum of its proper divisors (114038432).

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

65913760 is a wasteful number, since it uses less digits than its factorization.

65913760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246 (or 2238 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 65913760 is about 8118.7289645609. The cubic root of 65913760 is about 403.9479068865.

The spelling of 65913760 in words is "sixty-five million, nine hundred thirteen thousand, seven hundred sixty".