65004272 has 40 divisors (see below), whose sum is σ = 131658240. Its totient is φ = 31055040.

The previous prime is 65004239. The next prime is 65004293. The reversal of 65004272 is 27240056.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 40379 + ... + 41957.

It is an arithmetic number, because the mean of its divisors is an integer number (3291456).

Almost surely, 2^65004272 is an apocalyptic number.

65004272 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65004272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65829120).

65004272 is an abundant number, since it is smaller than the sum of its proper divisors (66653968).

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

65004272 is a wasteful number, since it uses less digits than its factorization.

65004272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 65004272 is about 8062.5226821386. The cubic root of 65004272 is about 402.0813841482.

The spelling of 65004272 in words is "sixty-five million, four thousand, two hundred seventy-two".