73435032541 has 4 divisors (see below), whose sum is σ = 79083881212. Its totient is φ = 67786183872.

The previous prime is 73435032491. The next prime is 73435032551. The reversal of 73435032541 is 14523053437.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41352849316 + 32082183225 = 203354^2 + 179115^2 .

It is a cyclic number.

It is not a de Polignac number, because 73435032541 - 2²⁷ = 73300814813 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 73435032541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73435032551) 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, 2824424316 + ... + 2824424341.

It is an arithmetic number, because the mean of its divisors is an integer number (19770970303).

Almost surely, 2^73435032541 is an apocalyptic number.

It is an amenable number.

73435032541 is a deficient number, since it is larger than the sum of its proper divisors (5648848671).

73435032541 is a wasteful number, since it uses less digits than its factorization.

73435032541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5648848670.

The product of its (nonzero) digits is 151200, while the sum is 37.

Adding to 73435032541 its reverse (14523053437), we get a palindrome (87958085978).

The spelling of 73435032541 in words is "seventy-three billion, four hundred thirty-five million, thirty-two thousand, five hundred forty-one".