65289792 has 112 divisors (see below), whose sum is σ = 185879232. Its totient is φ = 20152320.

The previous prime is 65289773. The next prime is 65289803. The reversal of 65289792 is 29798256.

It is a Harshad number since it is a multiple of its sum of digits (48).

65289792 is a modest number, since divided by 9792 gives 6528 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270792 + ... + 271032.

It is an arithmetic number, because the mean of its divisors is an integer number (1659636).

Almost surely, 2^65289792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65289792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92939616).

65289792 is an abundant number, since it is smaller than the sum of its proper divisors (120589440).

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

65289792 is a wasteful number, since it uses less digits than its factorization.

65289792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 346 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 65289792 is about 8080.2098982638. The cubic root of 65289792 is about 402.6692152717.

The spelling of 65289792 in words is "sixty-five million, two hundred eighty-nine thousand, seven hundred ninety-two".