73298238 has 32 divisors (see below), whose sum is σ = 166185600. Its totient is φ = 21365856.

The previous prime is 73298227. The next prime is 73298261. The reversal of 73298238 is 83289237.

It is a self number, because there is not a number n which added to its sum of digits gives 73298238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23248 + ... + 26211.

It is an arithmetic number, because the mean of its divisors is an integer number (5193300).

Almost surely, 2^73298238 is an apocalyptic number.

73298238 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

73298238 is an abundant number, since it is smaller than the sum of its proper divisors (92887362).

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

73298238 is a wasteful number, since it uses less digits than its factorization.

73298238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49496.

The product of its digits is 145152, while the sum is 42.

The square root of 73298238 is about 8561.4390145582. The cubic root of 73298238 is about 418.5022959782.

Subtracting 73298238 from its reverse (83289237), we obtain a palindrome (9990999).

It can be divided in two parts, 73298 and 238, that added together give a triangular number (73536 = T₃₈₃).

The spelling of 73298238 in words is "seventy-three million, two hundred ninety-eight thousand, two hundred thirty-eight".