73230002420 has 24 divisors (see below), whose sum is σ = 157533811848. Its totient is φ = 28577561600.

The previous prime is 73230002411. The next prime is 73230002431. The reversal of 73230002420 is 2420003237.

It can be written as a sum of positive squares in 4 ways, for example, as 409900516 + 72820101904 = 20246^2 + 269852^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44651621 + ... + 44653260.

It is an arithmetic number, because the mean of its divisors is an integer number (6563908827).

Almost surely, 2^73230002420 is an apocalyptic number.

It is an amenable number.

73230002420 is an abundant number, since it is smaller than the sum of its proper divisors (84303809428).

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

73230002420 is a wasteful number, since it uses less digits than its factorization.

73230002420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89304931 (or 89304929 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

Adding to 73230002420 its reverse (2420003237), we get a palindrome (75650005657).

The spelling of 73230002420 in words is "seventy-three billion, two hundred thirty million, two thousand, four hundred twenty".