65872210 has 32 divisors (see below), whose sum is σ = 125724672. Its totient is φ = 24805440.

The previous prime is 65872201. The next prime is 65872211. The reversal of 65872210 is 1227856.

65872210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (65872211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8599 + ... + 14341.

It is an arithmetic number, because the mean of its divisors is an integer number (3928896).

Almost surely, 2^65872210 is an apocalyptic number.

65872210 is a deficient number, since it is larger than the sum of its proper divisors (59852462).

65872210 is a wasteful number, since it uses less digits than its factorization.

65872210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 65872210 is about 8116.1696630862. The cubic root of 65872210 is about 403.8630102808.

The spelling of 65872210 in words is "sixty-five million, eight hundred seventy-two thousand, two hundred ten".