73840258 has 16 divisors (see below), whose sum is σ = 115758720. Its totient is φ = 35259136.

The previous prime is 73840253. The next prime is 73840279. The reversal of 73840258 is 85204837.

It is not an unprimeable number, because it can be changed into a prime (73840253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55323 + ... + 56641.

It is an arithmetic number, because the mean of its divisors is an integer number (7234920).

Almost surely, 2^73840258 is an apocalyptic number.

73840258 is a deficient number, since it is larger than the sum of its proper divisors (41918462).

73840258 is a wasteful number, since it uses less digits than its factorization.

73840258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 73840258 is about 8593.0354357468. The cubic root of 73840258 is about 419.5313328521.

The spelling of 73840258 in words is "seventy-three million, eight hundred forty thousand, two hundred fifty-eight".