65765632 has 36 divisors (see below), whose sum is σ = 135525376. Its totient is φ = 31818240.

The previous prime is 65765629. The next prime is 65765641. The reversal of 65765632 is 23656756.

It is a super-3 number, since 3×65765632³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3793 + ... + 12079.

Almost surely, 2^65765632 is an apocalyptic number.

65765632 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65765632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67762688).

65765632 is an abundant number, since it is smaller than the sum of its proper divisors (69759744).

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

65765632 is an equidigital number, since it uses as much as digits as its factorization.

65765632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8334 (or 8320 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The square root of 65765632 is about 8109.6012232415. The cubic root of 65765632 is about 403.6450825357.

The spelling of 65765632 in words is "sixty-five million, seven hundred sixty-five thousand, six hundred thirty-two".