73255806 has 64 divisors (see below), whose sum is σ = 176447040. Its totient is φ = 22394880.

The previous prime is 73255799. The next prime is 73255817. The reversal of 73255806 is 60855237.

73255806 is a `hidden beast` number, since 73 + 2 + 5 + 580 + 6 = 666.

It is a super-2 number, since 2×73255806² = 10732826225419272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168966 + ... + 169398.

It is an arithmetic number, because the mean of its divisors is an integer number (2756985).

Almost surely, 2^73255806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73255806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88223520).

73255806 is an abundant number, since it is smaller than the sum of its proper divisors (103191234).

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

73255806 is a wasteful number, since it uses less digits than its factorization.

73255806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 73255806 is about 8558.9605677325. The cubic root of 73255806 is about 418.4215240631.

It can be divided in two parts, 7325 and 5806, that added together give a palindrome (13131).

The spelling of 73255806 in words is "seventy-three million, two hundred fifty-five thousand, eight hundred six".