65797642 has 8 divisors (see below), whose sum is σ = 99090432. Its totient is φ = 32767500.

The previous prime is 65797639. The next prime is 65797649. The reversal of 65797642 is 24679756.

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

It is a junction number, because it is equal to n+sod(n) for n = 65797592 and 65797601.

It is not an unprimeable number, because it can be changed into a prime (65797649) by changing a digit.

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, 65034 + ... + 66037.

It is an arithmetic number, because the mean of its divisors is an integer number (12386304).

Almost surely, 2^65797642 is an apocalyptic number.

65797642 is a deficient number, since it is larger than the sum of its proper divisors (33292790).

65797642 is a wasteful number, since it uses less digits than its factorization.

65797642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131324.

The product of its digits is 635040, while the sum is 46.

The square root of 65797642 is about 8111.5745697121. The cubic root of 65797642 is about 403.7105604202.

The spelling of 65797642 in words is "sixty-five million, seven hundred ninety-seven thousand, six hundred forty-two".