65713536 has 192 divisors, whose sum is σ = 224359200. Its totient is φ = 18063360.

The previous prime is 65713519. The next prime is 65713561. The reversal of 65713536 is 63531756.

It is a happy number.

65713536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 65713536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233716 + ... + 233996.

Almost surely, 2^65713536 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 65713536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112179600).

65713536 is an abundant number, since it is smaller than the sum of its proper divisors (158645664).

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

65713536 is a wasteful number, since it uses less digits than its factorization.

65713536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 322 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 65713536 is about 8106.3885917220. The cubic root of 65713536 is about 403.5384723984.

The spelling of 65713536 in words is "sixty-five million, seven hundred thirteen thousand, five hundred thirty-six".