3721795 has 24 divisors (see below), whose sum is σ = 5671728. Its totient is φ = 2318400.

The previous prime is 3721787. The next prime is 3721799. The reversal of 3721795 is 5971273.

3721795 = T₃₆₅ + T₃₆₆ + ... + T₄₁₃.

It is not a de Polignac number, because 3721795 - 2³ = 3721787 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3721795.

It is not an unprimeable number, because it can be changed into a prime (3721799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2005 + ... + 3385.

It is an arithmetic number, because the mean of its divisors is an integer number (236322).

Almost surely, 2^3721795 is an apocalyptic number.

3721795 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3721795 is a deficient number, since it is larger than the sum of its proper divisors (1949933).

3721795 is a wasteful number, since it uses less digits than its factorization.

3721795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411 (or 1404 counting only the distinct ones).

The product of its digits is 13230, while the sum is 34.

The square root of 3721795 is about 1929.1954281513. The cubic root of 3721795 is about 154.9711357976.

The spelling of 3721795 in words is "three million, seven hundred twenty-one thousand, seven hundred ninety-five".