73838398 has 4 divisors (see below), whose sum is σ = 110757600. Its totient is φ = 36919198.

The previous prime is 73838383. The next prime is 73838423. The reversal of 73838398 is 89383837.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18459598 + ... + 18459601.

It is an arithmetic number, because the mean of its divisors is an integer number (27689400).

Almost surely, 2^73838398 is an apocalyptic number.

73838398 is a deficient number, since it is larger than the sum of its proper divisors (36919202).

73838398 is a wasteful number, since it uses less digits than its factorization.

73838398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36919201.

The product of its digits is 870912, while the sum is 49.

The square root of 73838398 is about 8592.9272078844. The cubic root of 73838398 is about 419.5278102261.

The spelling of 73838398 in words is "seventy-three million, eight hundred thirty-eight thousand, three hundred ninety-eight".