73544002745041 has 4 divisors (see below), whose sum is σ = 73544064065892. Its totient is φ = 73543941424192.

The previous prime is 73544002745021. The next prime is 73544002745063. The reversal of 73544002745041 is 14054720044537.

It is a happy number.

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 64778287862016 + 8765714883025 = 8048496^2 + 2960695^2 .

It is a cyclic number.

It is not a de Polignac number, because 73544002745041 - 2³⁹ = 72994246931153 is a prime.

It is a super-3 number, since 3×73544002745041³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73544002744982 and 73544002745000.

It is not an unprimeable number, because it can be changed into a prime (73544002745021) 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, 28824796 + ... + 31272301.

It is an arithmetic number, because the mean of its divisors is an integer number (18386016016473).

Almost surely, 2^{73544002745041} is an apocalyptic number.

It is an amenable number.

73544002745041 is a deficient number, since it is larger than the sum of its proper divisors (61320851).

73544002745041 is a wasteful number, since it uses less digits than its factorization.

73544002745041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61320850.

The product of its (nonzero) digits is 1881600, while the sum is 46.

Adding to 73544002745041 its reverse (14054720044537), we get a palindrome (87598722789578).

The spelling of 73544002745041 in words is "seventy-three trillion, five hundred forty-four billion, two million, seven hundred forty-five thousand, forty-one".