3723557 has 4 divisors (see below), whose sum is σ = 3732300. Its totient is φ = 3714816.

The previous prime is 3723547. The next prime is 3723581. The reversal of 3723557 is 7553273.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1515361 + 2208196 = 1231^2 + 1486^2 .

It is a cyclic number.

It is not a de Polignac number, because 3723557 - 2¹² = 3719461 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3723547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3698 + ... + 4595.

It is an arithmetic number, because the mean of its divisors is an integer number (933075).

Almost surely, 2^3723557 is an apocalyptic number.

It is an amenable number.

3723557 is a deficient number, since it is larger than the sum of its proper divisors (8743).

3723557 is an equidigital number, since it uses as much as digits as its factorization.

3723557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8742.

The product of its digits is 22050, while the sum is 32.

The square root of 3723557 is about 1929.6520411722. The cubic root of 3723557 is about 154.9955878036.

The spelling of 3723557 in words is "three million, seven hundred twenty-three thousand, five hundred fifty-seven".