73004425 has 12 divisors (see below), whose sum is σ = 97489420. Its totient is φ = 53910720.

The previous prime is 73004413. The next prime is 73004429. The reversal of 73004425 is 52440037.

It can be written as a sum of positive squares in 6 ways, for example, as 4489 + 72999936 = 67^2 + 8544^2 .

It is not a de Polignac number, because 73004425 - 2⁹ = 73003913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 73004425.

It is not an unprimeable number, because it can be changed into a prime (73004429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111990 + ... + 112639.

Almost surely, 2^73004425 is an apocalyptic number.

It is an amenable number.

73004425 is a deficient number, since it is larger than the sum of its proper divisors (24484995).

73004425 is a wasteful number, since it uses less digits than its factorization.

73004425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224652 (or 224647 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 73004425 is about 8544.2626949316. The cubic root of 73004425 is about 417.9423640227.

The spelling of 73004425 in words is "seventy-three million, four thousand, four hundred twenty-five".