65752066 has 8 divisors (see below), whose sum is σ = 98690940. Its totient is φ = 32855088.

The previous prime is 65752021. The next prime is 65752079. The reversal of 65752066 is 66025756.

It can be written as a sum of positive squares in 2 ways, for example, as 56625625 + 9126441 = 7525^2 + 3021^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6201 + ... + 13036.

Almost surely, 2^65752066 is an apocalyptic number.

65752066 is a deficient number, since it is larger than the sum of its proper divisors (32938874).

65752066 is a wasteful number, since it uses less digits than its factorization.

65752066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20948.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 65752066 is about 8108.7647641302. The cubic root of 65752066 is about 403.6173262665.

The spelling of 65752066 in words is "sixty-five million, seven hundred fifty-two thousand, sixty-six".