65576464 has 20 divisors (see below), whose sum is σ = 129139180. Its totient is φ = 32250240.

The previous prime is 65576461. The next prime is 65576491. The reversal of 65576464 is 46467556.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32398864 + 33177600 = 5692^2 + 5760^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65576464.

It is not an unprimeable number, because it can be changed into a prime (65576461) 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, 32619 + ... + 34570.

It is an arithmetic number, because the mean of its divisors is an integer number (6456959).

Almost surely, 2^65576464 is an apocalyptic number.

It is an amenable number.

65576464 is a deficient number, since it is larger than the sum of its proper divisors (63562716).

65576464 is a wasteful number, since it uses less digits than its factorization.

65576464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67258 (or 67252 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The square root of 65576464 is about 8097.9296119440. The cubic root of 65576464 is about 403.2576965074.

The spelling of 65576464 in words is "sixty-five million, five hundred seventy-six thousand, four hundred sixty-four".