65074564 has 12 divisors (see below), whose sum is σ = 116958604. Its totient is φ = 31657824.

The previous prime is 65074519. The next prime is 65074627. The reversal of 65074564 is 46547056.

It is a happy number.

65074564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54641664 + 10432900 = 7392^2 + 3230^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219699 + ... + 219994.

Almost surely, 2^65074564 is an apocalyptic number.

It is an amenable number.

65074564 is a deficient number, since it is larger than the sum of its proper divisors (51884040).

65074564 is a wasteful number, since it uses less digits than its factorization.

65074564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439734 (or 439732 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 65074564 is about 8066.8806858661. The cubic root of 65074564 is about 402.2262614130.

The spelling of 65074564 in words is "sixty-five million, seventy-four thousand, five hundred sixty-four".