73200382521 has 32 divisors (see below), whose sum is σ = 116414834688. Its totient is φ = 40002695040.

The previous prime is 73200382469. The next prime is 73200382571. The reversal of 73200382521 is 12528300237.

It is not a de Polignac number, because 73200382521 - 2¹⁴ = 73200366137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73200382571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3472405 + ... + 3493421.

It is an arithmetic number, because the mean of its divisors is an integer number (3637963584).

Almost surely, 2^73200382521 is an apocalyptic number.

It is an amenable number.

73200382521 is a deficient number, since it is larger than the sum of its proper divisors (43214452167).

73200382521 is a wasteful number, since it uses less digits than its factorization.

73200382521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28261.

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 73200382521 its reverse (12528300237), we get a palindrome (85728682758).

The spelling of 73200382521 in words is "seventy-three billion, two hundred million, three hundred eighty-two thousand, five hundred twenty-one".