73604257 has 8 divisors (see below), whose sum is σ = 74864192. Its totient is φ = 72349200.

The previous prime is 73604243. The next prime is 73604273. The reversal of 73604257 is 75240637.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73604257 - 2⁷ = 73604129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73604207) 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, 41407 + ... + 43147.

It is an arithmetic number, because the mean of its divisors is an integer number (9358024).

Almost surely, 2^73604257 is an apocalyptic number.

It is an amenable number.

73604257 is a deficient number, since it is larger than the sum of its proper divisors (1259935).

73604257 is a wasteful number, since it uses less digits than its factorization.

73604257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 73604257 is about 8579.2923367840. The cubic root of 73604257 is about 419.0839008492.

The spelling of 73604257 in words is "seventy-three million, six hundred four thousand, two hundred fifty-seven".