3721713 has 16 divisors (see below), whose sum is σ = 5132160. Its totient is φ = 2397824.

The previous prime is 3721673. The next prime is 3721717. The reversal of 3721713 is 3171273.

It is a cyclic number.

It is not a de Polignac number, because 3721713 - 2¹⁴ = 3705329 is a prime.

It is a super-2 number, since 2×3721713² = 27702295308738, which contains 22 as substring.

3721713 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3721717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14020 + ... + 14282.

It is an arithmetic number, because the mean of its divisors is an integer number (320760).

Almost surely, 2^3721713 is an apocalyptic number.

It is an amenable number.

3721713 is a deficient number, since it is larger than the sum of its proper divisors (1410447).

3721713 is a wasteful number, since it uses less digits than its factorization.

3721713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408.

The product of its digits is 882, while the sum is 24.

The square root of 3721713 is about 1929.1741756513. The cubic root of 3721713 is about 154.9699976616.

Adding to 3721713 its reverse (3171273), we get a palindrome (6892986).

The spelling of 3721713 in words is "three million, seven hundred twenty-one thousand, seven hundred thirteen".