65289642 has 32 divisors (see below), whose sum is σ = 144794304. Its totient is φ = 19459200.

The previous prime is 65289641. The next prime is 65289647. The reversal of 65289642 is 24698256.

It is a junction number, because it is equal to n+sod(n) for n = 65289594 and 65289603.

It is not an unprimeable number, because it can be changed into a prime (65289641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4083 + ... + 12134.

It is an arithmetic number, because the mean of its divisors is an integer number (4524822).

Almost surely, 2^65289642 is an apocalyptic number.

65289642 is an abundant number, since it is smaller than the sum of its proper divisors (79504662).

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

65289642 is a wasteful number, since it uses less digits than its factorization.

65289642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16294.

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

The square root of 65289642 is about 8080.2006163214. The cubic root of 65289642 is about 402.6689069007.

The spelling of 65289642 in words is "sixty-five million, two hundred eighty-nine thousand, six hundred forty-two".