3661733 has 2 divisors, whose sum is σ = 3661734. Its totient is φ = 3661732.

The previous prime is 3661703. The next prime is 3661739. The reversal of 3661733 is 3371663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2411809 + 1249924 = 1553^2 + 1118^2 .

It is an emirp because it is prime and its reverse (3371663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3661733 - 2¹² = 3657637 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3661696 and 3661705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3661739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830866 + 1830867.

It is an arithmetic number, because the mean of its divisors is an integer number (1830867).

Almost surely, 2^3661733 is an apocalyptic number.

It is an amenable number.

3661733 is a deficient number, since it is larger than the sum of its proper divisors (1).

3661733 is an equidigital number, since it uses as much as digits as its factorization.

3661733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 29.

The square root of 3661733 is about 1913.5655201743. The cubic root of 3661733 is about 154.1329739211.

The spelling of 3661733 in words is "three million, six hundred sixty-one thousand, seven hundred thirty-three".