65724612 has 24 divisors (see below), whose sum is σ = 156621696. Its totient is φ = 21441888.

The previous prime is 65724587. The next prime is 65724613. The reversal of 65724612 is 21642756.

65724612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65724613) 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 7 ways as a sum of consecutive naturals, for example, 57703 + ... + 58830.

It is an arithmetic number, because the mean of its divisors is an integer number (6525904).

Almost surely, 2^65724612 is an apocalyptic number.

It is an amenable number.

65724612 is an abundant number, since it is smaller than the sum of its proper divisors (90897084).

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

65724612 is a wasteful number, since it uses less digits than its factorization.

65724612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116587 (or 116585 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 65724612 is about 8107.0717278189. The cubic root of 65724612 is about 403.5611432275.

The spelling of 65724612 in words is "sixty-five million, seven hundred twenty-four thousand, six hundred twelve".