73564448 has 12 divisors (see below), whose sum is σ = 144830070. Its totient is φ = 36782208.

The previous prime is 73564441. The next prime is 73564471. The reversal of 73564448 is 84446537.

It can be written as a sum of positive squares in only one way, i.e., 73479184 + 85264 = 8572^2 + 292^2 .

It is not an unprimeable number, because it can be changed into a prime (73564441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149413 + ... + 1149476.

Almost surely, 2^73564448 is an apocalyptic number.

It is an amenable number.

73564448 is a deficient number, since it is larger than the sum of its proper divisors (71265622).

73564448 is a wasteful number, since it uses less digits than its factorization.

73564448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298899 (or 2298891 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 73564448 is about 8576.9719598469. The cubic root of 73564448 is about 419.0083331201.

The spelling of 73564448 in words is "seventy-three million, five hundred sixty-four thousand, four hundred forty-eight".