65712082 has 8 divisors (see below), whose sum is σ = 99675900. Its totient is φ = 32486784.

The previous prime is 65712071. The next prime is 65712091. The reversal of 65712082 is 28021756.

It can be written as a sum of positive squares in 2 ways, for example, as 61136761 + 4575321 = 7819^2 + 2139^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184407 + ... + 184762.

Almost surely, 2^65712082 is an apocalyptic number.

65712082 is a deficient number, since it is larger than the sum of its proper divisors (33963818).

65712082 is a wasteful number, since it uses less digits than its factorization.

65712082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369260.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 65712082 is about 8106.2989088733. The cubic root of 65712082 is about 403.5354961001.

The spelling of 65712082 in words is "sixty-five million, seven hundred twelve thousand, eighty-two".