65453472 has 72 divisors (see below), whose sum is σ = 212730336. Its totient is φ = 18700416.

The previous prime is 65453471. The next prime is 65453477. The reversal of 65453472 is 27435456.

65453472 is a `hidden beast` number, since 6 + 54 + 534 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is not an unprimeable number, because it can be changed into a prime (65453471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14218 + ... + 18249.

It is an arithmetic number, because the mean of its divisors is an integer number (2954588).

Almost surely, 2^65453472 is an apocalyptic number.

It is an amenable number.

65453472 is an abundant number, since it is smaller than the sum of its proper divisors (147276864).

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

65453472 is a wasteful number, since it uses less digits than its factorization.

65453472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32490 (or 32479 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 65453472 is about 8090.3320080204. The cubic root of 65453472 is about 403.0054286080.

The spelling of 65453472 in words is "sixty-five million, four hundred fifty-three thousand, four hundred seventy-two".