65047236 has 48 divisors (see below), whose sum is σ = 161300160. Its totient is φ = 20331520.

The previous prime is 65047223. The next prime is 65047247. The reversal of 65047236 is 63274056.

It is a super-2 number, since 2×65047236² = 8462285822479392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65047197 and 65047206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85096 + ... + 85856.

It is an arithmetic number, because the mean of its divisors is an integer number (3360420).

Almost surely, 2^65047236 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 65047236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80650080).

65047236 is an abundant number, since it is smaller than the sum of its proper divisors (96252924).

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

65047236 is a wasteful number, since it uses less digits than its factorization.

65047236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 65047236 is about 8065.1866686395. The cubic root of 65047236 is about 402.1699486868.

The spelling of 65047236 in words is "sixty-five million, forty-seven thousand, two hundred thirty-six".