73303638 has 16 divisors (see below), whose sum is σ = 147763200. Its totient is φ = 24241896.

The previous prime is 73303621. The next prime is 73303649. The reversal of 73303638 is 83630337.

It is a junction number, because it is equal to n+sod(n) for n = 73303599 and 73303608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47338 + ... + 48861.

It is an arithmetic number, because the mean of its divisors is an integer number (9235200).

Almost surely, 2^73303638 is an apocalyptic number.

73303638 is an abundant number, since it is smaller than the sum of its proper divisors (74459562).

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

73303638 is a wasteful number, since it uses less digits than its factorization.

73303638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96331.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 73303638 is about 8561.7543762946. The cubic root of 73303638 is about 418.5125729734.

The spelling of 73303638 in words is "seventy-three million, three hundred three thousand, six hundred thirty-eight".