65745472 has 56 divisors (see below), whose sum is σ = 147929600. Its totient is φ = 28740096.

The previous prime is 65745469. The next prime is 65745473. The reversal of 65745472 is 27454756.

It is not an unprimeable number, because it can be changed into a prime (65745473) 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, 13729 + ... + 17887.

It is an arithmetic number, because the mean of its divisors is an integer number (2641600).

Almost surely, 2^65745472 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 65745472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73964800).

65745472 is an abundant number, since it is smaller than the sum of its proper divisors (82184128).

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

65745472 is a wasteful number, since it uses less digits than its factorization.

65745472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203 (or 4193 counting only the distinct ones).

The product of its digits is 235200, while the sum is 40.

The square root of 65745472 is about 8108.3581568651. The cubic root of 65745472 is about 403.6038334503.

The spelling of 65745472 in words is "sixty-five million, seven hundred forty-five thousand, four hundred seventy-two".