73231580 has 48 divisors (see below), whose sum is σ = 166652640. Its totient is φ = 26923008.

The previous prime is 73231577. The next prime is 73231589. The reversal of 73231580 is 8513237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73231589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12116 + ... + 17124.

It is an arithmetic number, because the mean of its divisors is an integer number (3471930).

Almost surely, 2^73231580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73231580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83326320).

73231580 is an abundant number, since it is smaller than the sum of its proper divisors (93421060).

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

73231580 is a wasteful number, since it uses less digits than its factorization.

73231580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078 (or 5076 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 73231580 is about 8557.5452087617. The cubic root of 73231580 is about 418.3753943977.

The spelling of 73231580 in words is "seventy-three million, two hundred thirty-one thousand, five hundred eighty".