73067648 has 16 divisors (see below), whose sum is σ = 145564710. Its totient is φ = 36533760.

The previous prime is 73067647. The next prime is 73067669. The reversal of 73067648 is 84676037.

It can be written as a sum of positive squares in only one way, i.e., 57638464 + 15429184 = 7592^2 + 3928^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (73067641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285293 + ... + 285548.

Almost surely, 2^73067648 is an apocalyptic number.

It is an amenable number.

73067648 is a deficient number, since it is larger than the sum of its proper divisors (72497062).

73067648 is an equidigital number, since it uses as much as digits as its factorization.

73067648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570855 (or 570843 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 73067648 is about 8547.9616283650. The cubic root of 73067648 is about 418.0629774696.

The spelling of 73067648 in words is "seventy-three million, sixty-seven thousand, six hundred forty-eight".