73428838 has 8 divisors (see below), whose sum is σ = 125878032. Its totient is φ = 31469496.

The previous prime is 73428829. The next prime is 73428847. The reversal of 73428838 is 83882437.

It is an interprime number because it is at equal distance from previous prime (73428829) and next prime (73428847).

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 = 73428794 and 73428803.

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 3 ways as a sum of consecutive naturals, for example, 2622445 + ... + 2622472.

It is an arithmetic number, because the mean of its divisors is an integer number (15734754).

Almost surely, 2^73428838 is an apocalyptic number.

73428838 is a deficient number, since it is larger than the sum of its proper divisors (52449194).

73428838 is a wasteful number, since it uses less digits than its factorization.

73428838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244926.

The product of its digits is 258048, while the sum is 43.

The square root of 73428838 is about 8569.0628425750. The cubic root of 73428838 is about 418.7507056348.

The spelling of 73428838 in words is "seventy-three million, four hundred twenty-eight thousand, eight hundred thirty-eight".