3663733 has 4 divisors (see below), whose sum is σ = 3669408. Its totient is φ = 3658060.

The previous prime is 3663707. The next prime is 3663743. The reversal of 3663733 is 3373663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3373663 = 23 ⋅146681.

It is a cyclic number.

It is not a de Polignac number, because 3663733 - 2¹³ = 3655541 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3663695 and 3663704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1723 + ... + 3208.

It is an arithmetic number, because the mean of its divisors is an integer number (917352).

Almost surely, 2^3663733 is an apocalyptic number.

It is an amenable number.

3663733 is a deficient number, since it is larger than the sum of its proper divisors (5675).

3663733 is an equidigital number, since it uses as much as digits as its factorization.

3663733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5674.

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

The square root of 3663733 is about 1914.0880335032. The cubic root of 3663733 is about 154.1610307492.

It can be divided in two parts, 36637 and 33, that multiplied together give a palindrome (1209021).

The spelling of 3663733 in words is "three million, six hundred sixty-three thousand, seven hundred thirty-three".