65988472 has 32 divisors (see below), whose sum is σ = 140849280. Its totient is φ = 28689760.

The previous prime is 65988467. The next prime is 65988473. The reversal of 65988472 is 27488956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65988473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14278 + ... + 18325.

It is an arithmetic number, because the mean of its divisors is an integer number (4401540).

Almost surely, 2^65988472 is an apocalyptic number.

It is an amenable number.

65988472 is an abundant number, since it is smaller than the sum of its proper divisors (74860808).

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

65988472 is a wasteful number, since it uses less digits than its factorization.

65988472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32643 (or 32639 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 65988472 is about 8123.3288742978. The cubic root of 65988472 is about 404.1004716947.

It can be divided in two parts, 659884 and 72, that added together give a palindrome (659956).

The spelling of 65988472 in words is "sixty-five million, nine hundred eighty-eight thousand, four hundred seventy-two".