73238231 has 8 divisors (see below), whose sum is σ = 80688528. Its totient is φ = 65920000.

The previous prime is 73238219. The next prime is 73238257. The reversal of 73238231 is 13283237.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73238231 is a prime.

It is a super-2 number, since 2×73238231² = 10727676960018722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73238194 and 73238203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73238531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31850 + ... + 34071.

It is an arithmetic number, because the mean of its divisors is an integer number (10086066).

Almost surely, 2^73238231 is an apocalyptic number.

73238231 is a deficient number, since it is larger than the sum of its proper divisors (7450297).

73238231 is a wasteful number, since it uses less digits than its factorization.

73238231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66033.

The product of its digits is 6048, while the sum is 29.

The square root of 73238231 is about 8557.9338043712. The cubic root of 73238231 is about 418.3880598375.

The spelling of 73238231 in words is "seventy-three million, two hundred thirty-eight thousand, two hundred thirty-one".