73261603 has 2 divisors, whose sum is σ = 73261604. Its totient is φ = 73261602.

The previous prime is 73261597. The next prime is 73261607. The reversal of 73261603 is 30616237.

It is a strong prime.

It is an emirp because it is prime and its reverse (30616237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73261603 - 2⁵ = 73261571 is a prime.

It is not a weakly prime, because it can be changed into another prime (73261607) 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, 36630801 + 36630802.

It is an arithmetic number, because the mean of its divisors is an integer number (36630802).

Almost surely, 2^73261603 is an apocalyptic number.

73261603 is a deficient number, since it is larger than the sum of its proper divisors (1).

73261603 is an equidigital number, since it uses as much as digits as its factorization.

73261603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 73261603 is about 8559.2992119682. The cubic root of 73261603 is about 418.4325608474.

The spelling of 73261603 in words is "seventy-three million, two hundred sixty-one thousand, six hundred three".