73603633 has 2 divisors, whose sum is σ = 73603634. Its totient is φ = 73603632.

The previous prime is 73603601. The next prime is 73603639. The reversal of 73603633 is 33630637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50013184 + 23590449 = 7072^2 + 4857^2 .

It is an emirp because it is prime and its reverse (33630637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73603633 - 2⁵ = 73603601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73603595 and 73603604.

It is not a weakly prime, because it can be changed into another prime (73603639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36801816 + 36801817.

It is an arithmetic number, because the mean of its divisors is an integer number (36801817).

Almost surely, 2^73603633 is an apocalyptic number.

It is an amenable number.

73603633 is a deficient number, since it is larger than the sum of its proper divisors (1).

73603633 is an equidigital number, since it uses as much as digits as its factorization.

73603633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 31.

The square root of 73603633 is about 8579.2559700711. The cubic root of 73603633 is about 419.0827165468.

The spelling of 73603633 in words is "seventy-three million, six hundred three thousand, six hundred thirty-three".