65244672 has 60 divisors (see below), whose sum is σ = 188313840. Its totient is φ = 21746688.

The previous prime is 65244649. The next prime is 65244679. The reversal of 65244672 is 27644256.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65244679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2472 + ... + 11687.

It is an arithmetic number, because the mean of its divisors is an integer number (3138564).

Almost surely, 2^65244672 is an apocalyptic number.

It is an amenable number.

65244672 is an abundant number, since it is smaller than the sum of its proper divisors (123069168).

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

65244672 is a wasteful number, since it uses less digits than its factorization.

65244672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14183 (or 14164 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 65244672 is about 8077.4174090485. The cubic root of 65244672 is about 402.5764359807.

The spelling of 65244672 in words is "sixty-five million, two hundred forty-four thousand, six hundred seventy-two".