3630733 has 2 divisors, whose sum is σ = 3630734. Its totient is φ = 3630732.

The previous prime is 3630709. The next prime is 3630743. The reversal of 3630733 is 3370363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3143529 + 487204 = 1773^2 + 698^2 .

It is an emirp because it is prime and its reverse (3370363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3630733 - 2⁵ = 3630701 is a prime.

It is an Ulam number.

3630733 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3630698 and 3630707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3630743) 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, 1815366 + 1815367.

It is an arithmetic number, because the mean of its divisors is an integer number (1815367).

Almost surely, 2^3630733 is an apocalyptic number.

It is an amenable number.

3630733 is a deficient number, since it is larger than the sum of its proper divisors (1).

3630733 is an equidigital number, since it uses as much as digits as its factorization.

3630733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 25.

The square root of 3630733 is about 1905.4482412283. The cubic root of 3630733 is about 153.6967806641.

The spelling of 3630733 in words is "three million, six hundred thirty thousand, seven hundred thirty-three".