65755340 has 96 divisors (see below), whose sum is σ = 165580800. Its totient is φ = 21461760.

The previous prime is 65755331. The next prime is 65755381. The reversal of 65755340 is 4355756.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 65755340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472991 + ... + 473129.

It is an arithmetic number, because the mean of its divisors is an integer number (1724800).

Almost surely, 2^65755340 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 65755340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82790400).

65755340 is an abundant number, since it is smaller than the sum of its proper divisors (99825460).

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

65755340 is a wasteful number, since it uses less digits than its factorization.

65755340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 65755340 is about 8108.9666419341. The cubic root of 65755340 is about 403.6240252763.

The spelling of 65755340 in words is "sixty-five million, seven hundred fifty-five thousand, three hundred forty".