3721703 has 4 divisors (see below), whose sum is σ = 3725640. Its totient is φ = 3717768.

The previous prime is 3721673. The next prime is 3721717. The reversal of 3721703 is 3071273.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3071273 = 971 ⋅3163.

It is a cyclic number.

It is not a de Polignac number, because 3721703 - 2¹² = 3717607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721303) 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 in 3 ways as a sum of consecutive naturals, for example, 401 + ... + 2757.

It is an arithmetic number, because the mean of its divisors is an integer number (931410).

Almost surely, 2^3721703 is an apocalyptic number.

3721703 is a deficient number, since it is larger than the sum of its proper divisors (3937).

3721703 is a wasteful number, since it uses less digits than its factorization.

3721703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 3721703 is about 1929.1715838670. The cubic root of 3721703 is about 154.9698588634.

Adding to 3721703 its reverse (3071273), we get a palindrome (6792976).

The spelling of 3721703 in words is "three million, seven hundred twenty-one thousand, seven hundred three".