65744472 has 16 divisors (see below), whose sum is σ = 164361240. Its totient is φ = 21914816.

The previous prime is 65744431. The next prime is 65744473. The reversal of 65744472 is 27444756.

It is a self number, because there is not a number n which added to its sum of digits gives 65744472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65744473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369653 + ... + 1369700.

Almost surely, 2^65744472 is an apocalyptic number.

It is an amenable number.

65744472 is an abundant number, since it is smaller than the sum of its proper divisors (98616768).

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

65744472 is a wasteful number, since it uses less digits than its factorization.

65744472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739362 (or 2739358 counting only the distinct ones).

The product of its digits is 188160, while the sum is 39.

The square root of 65744472 is about 8108.2964918656. The cubic root of 65744472 is about 403.6017871452.

The spelling of 65744472 in words is "sixty-five million, seven hundred forty-four thousand, four hundred seventy-two".