73843901 has 2 divisors, whose sum is σ = 73843902. Its totient is φ = 73843900.

The previous prime is 73843879. The next prime is 73843919. The reversal of 73843901 is 10934837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66031876 + 7812025 = 8126^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 73843901 - 2¹⁰ = 73842877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73843201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36921950 + 36921951.

It is an arithmetic number, because the mean of its divisors is an integer number (36921951).

Almost surely, 2^73843901 is an apocalyptic number.

It is an amenable number.

73843901 is a deficient number, since it is larger than the sum of its proper divisors (1).

73843901 is an equidigital number, since it uses as much as digits as its factorization.

73843901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 73843901 is about 8593.2474071215. The cubic root of 73843901 is about 419.5382321035.

The spelling of 73843901 in words is "seventy-three million, eight hundred forty-three thousand, nine hundred one".