65671072 has 24 divisors (see below), whose sum is σ = 134912736. Its totient is φ = 31407552.

The previous prime is 65671069. The next prime is 65671097. The reversal of 65671072 is 27017656.

65671072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43878 + ... + 45349.

It is an arithmetic number, because the mean of its divisors is an integer number (5621364).

Almost surely, 2^65671072 is an apocalyptic number.

It is an amenable number.

65671072 is an abundant number, since it is smaller than the sum of its proper divisors (69241664).

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

65671072 is a wasteful number, since it uses less digits than its factorization.

65671072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89260 (or 89252 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 65671072 is about 8103.7689996692. The cubic root of 65671072 is about 403.4515316598.

The spelling of 65671072 in words is "sixty-five million, six hundred seventy-one thousand, seventy-two".