73153841 has 2 divisors, whose sum is σ = 73153842. Its totient is φ = 73153840.

The previous prime is 73153807. The next prime is 73153853. The reversal of 73153841 is 14835137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50353216 + 22800625 = 7096^2 + 4775^2 .

It is a cyclic number.

It is not a de Polignac number, because 73153841 - 2¹⁰ = 73152817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73153798 and 73153807.

It is not a weakly prime, because it can be changed into another prime (73153891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36576920 + 36576921.

It is an arithmetic number, because the mean of its divisors is an integer number (36576921).

Almost surely, 2^73153841 is an apocalyptic number.

It is an amenable number.

73153841 is a deficient number, since it is larger than the sum of its proper divisors (1).

73153841 is an equidigital number, since it uses as much as digits as its factorization.

73153841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 73153841 is about 8553.0018706884. The cubic root of 73153841 is about 418.2272998178.

Subtracting from 73153841 its sum of digits (32), we obtain a square (73153809 = 8553²).

Adding to 73153841 its reverse (14835137), we get a palindrome (87988978).

The spelling of 73153841 in words is "seventy-three million, one hundred fifty-three thousand, eight hundred forty-one".