73004 has 6 divisors (see below), whose sum is σ = 127764. Its totient is φ = 36500.

The previous prime is 72997. The next prime is 73009. The reversal of 73004 is 40037.

73004 = 92² + 93² + ... + 99².

It is a self number, because there is not a number n which added to its sum of digits gives 73004.

It is not an unprimeable number, because it can be changed into a prime (73009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9122 + ... + 9129.

It is an arithmetic number, because the mean of its divisors is an integer number (21294).

2⁷³⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

73004 is a deficient number, since it is larger than the sum of its proper divisors (54760).

73004 is a wasteful number, since it uses less digits than its factorization.

73004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18255 (or 18253 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 73004 is about 270.1925239528. The cubic root of 73004 is about 41.7941552995.

The spelling of 73004 in words is "seventy-three thousand, four", and thus it is an iban number.