65225472 has 144 divisors (see below), whose sum is σ = 192299520. Its totient is φ = 19501056.

The previous prime is 65225443. The next prime is 65225483. The reversal of 65225472 is 27452256.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469179 + ... + 469317.

Almost surely, 2^65225472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65225472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96149760).

65225472 is an abundant number, since it is smaller than the sum of its proper divisors (127074048).

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

65225472 is a wasteful number, since it uses less digits than its factorization.

65225472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 204 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 65225472 is about 8076.2288229099. The cubic root of 65225472 is about 402.5369424575.

The spelling of 65225472 in words is "sixty-five million, two hundred twenty-five thousand, four hundred seventy-two".