65705732 has 6 divisors (see below), whose sum is σ = 114985038. Its totient is φ = 32852864.

The previous prime is 65705713. The next prime is 65705753. The reversal of 65705732 is 23750756.

65705732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 53202436 + 12503296 = 7294^2 + 3536^2 .

It is a super-3 number, since 3×65705732³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65705692 and 65705701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213213 + ... + 8213220.

It is an arithmetic number, because the mean of its divisors is an integer number (19164173).

Almost surely, 2^65705732 is an apocalyptic number.

It is an amenable number.

65705732 is a deficient number, since it is larger than the sum of its proper divisors (49279306).

65705732 is a wasteful number, since it uses less digits than its factorization.

65705732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16426437 (or 16426435 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 65705732 is about 8105.9072286821. The cubic root of 65705732 is about 403.5224973086.

The spelling of 65705732 in words is "sixty-five million, seven hundred five thousand, seven hundred thirty-two".