3721695 has 16 divisors (see below), whose sum is σ = 6082560. Its totient is φ = 1942304.

The previous prime is 3721673. The next prime is 3721717. The reversal of 3721695 is 5961273.

It is an interprime number because it is at equal distance from previous prime (3721673) and next prime (3721717).

It is a cyclic number.

It is not a de Polignac number, because 3721695 - 2⁶ = 3721631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935 + ... + 3344.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

Almost surely, 2^3721695 is an apocalyptic number.

3721695 is a deficient number, since it is larger than the sum of its proper divisors (2360865).

3721695 is a wasteful number, since it uses less digits than its factorization.

3721695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334.

The product of its digits is 11340, while the sum is 33.

The square root of 3721695 is about 1929.1695104371. The cubic root of 3721695 is about 154.9697478247.

The spelling of 3721695 in words is "three million, seven hundred twenty-one thousand, six hundred ninety-five".