65036736 has 112 divisors (see below), whose sum is σ = 194645280. Its totient is φ = 21288960.

The previous prime is 65036731. The next prime is 65036743. The reversal of 65036736 is 63763056.

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

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 65036736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65036731) 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, 105100 + ... + 105716.

Almost surely, 2^65036736 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 65036736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97322640).

65036736 is an abundant number, since it is smaller than the sum of its proper divisors (129608544).

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

65036736 is a wasteful number, since it uses less digits than its factorization.

65036736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 65036736 is about 8064.5356964924. The cubic root of 65036736 is about 402.1483079430.

The spelling of 65036736 in words is "sixty-five million, thirty-six thousand, seven hundred thirty-six".