65689242 has 16 divisors (see below), whose sum is σ = 137090880. Its totient is φ = 20944352.

The previous prime is 65689237. The next prime is 65689301. The reversal of 65689242 is 24298656.

It is a junction number, because it is equal to n+sod(n) for n = 65689194 and 65689203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237867 + ... + 238142.

It is an arithmetic number, because the mean of its divisors is an integer number (8568180).

Almost surely, 2^65689242 is an apocalyptic number.

65689242 is an abundant number, since it is smaller than the sum of its proper divisors (71401638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65689242 is a wasteful number, since it uses less digits than its factorization.

65689242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476037.

The product of its digits is 207360, while the sum is 42.

The square root of 65689242 is about 8104.8900054227. The cubic root of 65689242 is about 403.4887374802.

It can be divided in two parts, 656 and 89242, that added together give a palindrome (89898).

The spelling of 65689242 in words is "sixty-five million, six hundred eighty-nine thousand, two hundred forty-two".