65539706 has 8 divisors (see below), whose sum is σ = 98377524. Its totient is φ = 32747200.

The previous prime is 65539703. The next prime is 65539711. The reversal of 65539706 is 60793556.

It can be written as a sum of positive squares in 2 ways, for example, as 56866681 + 8673025 = 7541^2 + 2945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65539703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7445 + ... + 13656.

Almost surely, 2^65539706 is an apocalyptic number.

65539706 is a deficient number, since it is larger than the sum of its proper divisors (32837818).

65539706 is a wasteful number, since it uses less digits than its factorization.

65539706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22656.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 65539706 is about 8095.6597013461. The cubic root of 65539706 is about 403.1823355422.

The spelling of 65539706 in words is "sixty-five million, five hundred thirty-nine thousand, seven hundred six".