73680239 has 8 divisors (see below), whose sum is σ = 75775392. Its totient is φ = 71599360.

The previous prime is 73680151. The next prime is 73680241. The reversal of 73680239 is 93208637.

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

It is a cyclic number.

It is not a de Polignac number, because 73680239 - 2¹² = 73676143 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73680539) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7367 + ... + 14199.

It is an arithmetic number, because the mean of its divisors is an integer number (9471924).

Almost surely, 2^73680239 is an apocalyptic number.

73680239 is a deficient number, since it is larger than the sum of its proper divisors (2095153).

73680239 is a wasteful number, since it uses less digits than its factorization.

73680239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 73680239 is about 8583.7194152652. The cubic root of 73680239 is about 419.2280586437.

The spelling of 73680239 in words is "seventy-three million, six hundred eighty thousand, two hundred thirty-nine".