65271872 has 14 divisors (see below), whose sum is σ = 129523998. Its totient is φ = 32635904.

The previous prime is 65271863. The next prime is 65271881. The reversal of 65271872 is 27817256.

65271872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65271863) and next prime (65271881).

It can be written as a sum of positive squares in only one way, i.e., 58003456 + 7268416 = 7616^2 + 2696^2 .

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 as a sum of consecutive naturals, namely, 509873 + ... + 510000.

Almost surely, 2^65271872 is an apocalyptic number.

It is an amenable number.

65271872 is a deficient number, since it is larger than the sum of its proper divisors (64252126).

65271872 is a wasteful number, since it uses less digits than its factorization.

65271872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019885 (or 1019875 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 65271872 is about 8079.1009400799. The cubic root of 65271872 is about 402.6323718776.

The spelling of 65271872 in words is "sixty-five million, two hundred seventy-one thousand, eight hundred seventy-two".