73500398705 has 8 divisors (see below), whose sum is σ = 93388741992. Its totient is φ = 55341476608.

The previous prime is 73500398701. The next prime is 73500398771. The reversal of 73500398705 is 50789300537.

It can be written as a sum of positive squares in 4 ways, for example, as 29369733376 + 44130665329 = 171376^2 + 210073^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 73500398705 - 2² = 73500398701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73500398705.

It is not an unprimeable number, because it can be changed into a prime (73500398701) 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, 432355202 + ... + 432355371.

It is an arithmetic number, because the mean of its divisors is an integer number (11673592749).

Almost surely, 2^73500398705 is an apocalyptic number.

It is an amenable number.

73500398705 is a deficient number, since it is larger than the sum of its proper divisors (19888343287).

73500398705 is a wasteful number, since it uses less digits than its factorization.

73500398705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864710595.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 73500398705 in words is "seventy-three billion, five hundred million, three hundred ninety-eight thousand, seven hundred five".