65705733 has 12 divisors (see below), whose sum is σ = 99035040. Its totient is φ = 41899176.

The previous prime is 65705713. The next prime is 65705753. The reversal of 65705733 is 33750756.

65705733 is a `hidden beast` number, since 6 + 570 + 57 + 33 = 666.

It is an interprime number because it is at equal distance from previous prime (65705713) and next prime (65705753).

It is not a de Polignac number, because 65705733 - 2⁶ = 65705669 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65705713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158503 + ... + 158916.

It is an arithmetic number, because the mean of its divisors is an integer number (8252920).

Almost surely, 2^65705733 is an apocalyptic number.

It is an amenable number.

65705733 is a deficient number, since it is larger than the sum of its proper divisors (33329307).

65705733 is a wasteful number, since it uses less digits than its factorization.

65705733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317448 (or 317445 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

The square root of 65705733 is about 8105.9072903655. The cubic root of 65705733 is about 403.5224993558.

The spelling of 65705733 in words is "sixty-five million, seven hundred five thousand, seven hundred thirty-three".