73500720198352 has 20 divisors (see below), whose sum is σ = 149902784615680. Its totient is φ = 34816130620128.

The previous prime is 73500720198313. The next prime is 73500720198361. The reversal of 73500720198352 is 25389102700537.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73500720198352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120889342128 + ... + 120889342735.

It is an arithmetic number, because the mean of its divisors is an integer number (7495139230784).

Almost surely, 2^{73500720198352} is an apocalyptic number.

It is an amenable number.

73500720198352 is an abundant number, since it is smaller than the sum of its proper divisors (76402064417328).

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

73500720198352 is a wasteful number, since it uses less digits than its factorization.

73500720198352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241778684890 (or 241778684884 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 52.

Adding to 73500720198352 its reverse (25389102700537), we get a palindrome (98889822898889).

The spelling of 73500720198352 in words is "seventy-three trillion, five hundred billion, seven hundred twenty million, one hundred ninety-eight thousand, three hundred fifty-two".