73604000 has 48 divisors (see below), whose sum is σ = 180854856. Its totient is φ = 29440000.

The previous prime is 73603987. The next prime is 73604009. The reversal of 73604000 is 40637.

It can be written as a sum of positive squares in 4 ways, for example, as 19963024 + 53640976 = 4468^2 + 7324^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (73604009) 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 in 7 ways as a sum of consecutive naturals, for example, 5201 + ... + 13200.

Almost surely, 2^73604000 is an apocalyptic number.

It is an amenable number.

73604000 is an abundant number, since it is smaller than the sum of its proper divisors (107250856).

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

73604000 is a wasteful number, since it uses less digits than its factorization.

73604000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18426 (or 18408 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 73604000 is about 8579.2773588456. The cubic root of 73604000 is about 419.0834130844.

Adding to 73604000 its reverse (40637), we get a palindrome (73644637).

The spelling of 73604000 in words is "seventy-three million, six hundred four thousand".