73738438 has 8 divisors (see below), whose sum is σ = 110739888. Its totient is φ = 36825144.

The previous prime is 73738433. The next prime is 73738471. The reversal of 73738438 is 83483737.

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

It is a junction number, because it is equal to n+sod(n) for n = 73738394 and 73738403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73738433) 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 3 ways as a sum of consecutive naturals, for example, 19906 + ... + 23317.

It is an arithmetic number, because the mean of its divisors is an integer number (13842486).

Almost surely, 2^73738438 is an apocalyptic number.

73738438 is a deficient number, since it is larger than the sum of its proper divisors (37001450).

73738438 is a wasteful number, since it uses less digits than its factorization.

73738438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44078.

The product of its digits is 338688, while the sum is 43.

The square root of 73738438 is about 8587.1088266075. The cubic root of 73738438 is about 419.3384104055.

The spelling of 73738438 in words is "seventy-three million, seven hundred thirty-eight thousand, four hundred thirty-eight".