65196736 has 42 divisors (see below), whose sum is σ = 142222220. Its totient is φ = 29631360.

The previous prime is 65196721. The next prime is 65196737. The reversal of 65196736 is 63769156.

It is a super-2 number, since 2×65196736² = 8501228770107392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65196692 and 65196701.

It is not an unprimeable number, because it can be changed into a prime (65196737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3535 + ... + 11953.

Almost surely, 2^65196736 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 65196736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71111110).

65196736 is an abundant number, since it is smaller than the sum of its proper divisors (77025484).

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

65196736 is a wasteful number, since it uses less digits than its factorization.

65196736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8453 (or 8432 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 65196736 is about 8074.4495787639. The cubic root of 65196736 is about 402.4778193350.

The spelling of 65196736 in words is "sixty-five million, one hundred ninety-six thousand, seven hundred thirty-six".