73282438 has 4 divisors (see below), whose sum is σ = 109923660. Its totient is φ = 36641218.

The previous prime is 73282423. The next prime is 73282441. The reversal of 73282438 is 83428237.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 73282397 and 73282406.

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 as a sum of consecutive naturals, namely, 18320608 + ... + 18320611.

It is an arithmetic number, because the mean of its divisors is an integer number (27480915).

Almost surely, 2^73282438 is an apocalyptic number.

73282438 is a deficient number, since it is larger than the sum of its proper divisors (36641222).

73282438 is a wasteful number, since it uses less digits than its factorization.

73282438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36641221.

The product of its digits is 64512, while the sum is 37.

The square root of 73282438 is about 8560.5162227520. The cubic root of 73282438 is about 418.4722233524.

The spelling of 73282438 in words is "seventy-three million, two hundred eighty-two thousand, four hundred thirty-eight".