73034635243 has 4 divisors (see below), whose sum is σ = 73076780448. Its totient is φ = 72992490040.

The previous prime is 73034635189. The next prime is 73034635253. The reversal of 73034635243 is 34253643037.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73034635243 - 2¹⁷ = 73034504171 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73034635196 and 73034635205.

It is not an unprimeable number, because it can be changed into a prime (73034635253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21070003 + ... + 21073468.

It is an arithmetic number, because the mean of its divisors is an integer number (18269195112).

Almost surely, 2^73034635243 is an apocalyptic number.

73034635243 is a deficient number, since it is larger than the sum of its proper divisors (42145205).

73034635243 is a wasteful number, since it uses less digits than its factorization.

73034635243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42145204.

The product of its (nonzero) digits is 544320, while the sum is 40.

The spelling of 73034635243 in words is "seventy-three billion, thirty-four million, six hundred thirty-five thousand, two hundred forty-three".