65274616 has 32 divisors (see below), whose sum is σ = 135521280. Its totient is φ = 29224800.

The previous prime is 65274613. The next prime is 65274617. The reversal of 65274616 is 61647256.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65274613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361 + ... + 11431.

It is an arithmetic number, because the mean of its divisors is an integer number (4235040).

Almost surely, 2^65274616 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 65274616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67760640).

65274616 is an abundant number, since it is smaller than the sum of its proper divisors (70246664).

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

65274616 is a wasteful number, since it uses less digits than its factorization.

65274616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11155 (or 11151 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 65274616 is about 8079.2707591713. The cubic root of 65274616 is about 402.6380139595.

The spelling of 65274616 in words is "sixty-five million, two hundred seventy-four thousand, six hundred sixteen".