65788272 has 120 divisors (see below), whose sum is σ = 205955568. Its totient is φ = 19430400.

The previous prime is 65788259. The next prime is 65788291. The reversal of 65788272 is 27288756.

65788272 is a `hidden beast` number, since 6 + 578 + 8 + 2 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64438 + ... + 65450.

Almost surely, 2^65788272 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 65788272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102977784).

65788272 is an abundant number, since it is smaller than the sum of its proper divisors (140167296).

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

65788272 is a wasteful number, since it uses less digits than its factorization.

65788272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1070 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 65788272 is about 8110.9969794101. The cubic root of 65788272 is about 403.6913958655.

The spelling of 65788272 in words is "sixty-five million, seven hundred eighty-eight thousand, two hundred seventy-two".