65834636 has 36 divisors (see below), whose sum is σ = 134523648. Its totient is φ = 28109088.

The previous prime is 65834633. The next prime is 65834651. The reversal of 65834636 is 63643856.

It is a junction number, because it is equal to n+sod(n) for n = 65834593 and 65834602.

It is not an unprimeable number, because it can be changed into a prime (65834633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74630 + ... + 75506.

It is an arithmetic number, because the mean of its divisors is an integer number (3736768).

Almost surely, 2^65834636 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 65834636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67261824).

65834636 is an abundant number, since it is smaller than the sum of its proper divisors (68689012).

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

65834636 is a wasteful number, since it uses less digits than its factorization.

65834636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1269 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 65834636 is about 8113.8545710408. The cubic root of 65834636 is about 403.7862068512.

The spelling of 65834636 in words is "sixty-five million, eight hundred thirty-four thousand, six hundred thirty-six".