3721057 has 8 divisors (see below), whose sum is σ = 3793896. Its totient is φ = 3649152.

The previous prime is 3721051. The next prime is 3721063. The reversal of 3721057 is 7501273.

3721057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3721051) and next prime (3721063).

It can be written as a sum of positive squares in 4 ways, for example, as 1083681 + 2637376 = 1041^2 + 1624^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3721057 - 2³ = 3721049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3721051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21423 + ... + 21595.

It is an arithmetic number, because the mean of its divisors is an integer number (474237).

Almost surely, 2^3721057 is an apocalyptic number.

It is an amenable number.

3721057 is a deficient number, since it is larger than the sum of its proper divisors (72839).

3721057 is a wasteful number, since it uses less digits than its factorization.

3721057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 3721057 is about 1929.0041472221. The cubic root of 3721057 is about 154.9608919719.

The spelling of 3721057 in words is "three million, seven hundred twenty-one thousand, fifty-seven".