3704642 has 6 divisors (see below), whose sum is σ = 5561049. Its totient is φ = 1850960.

The previous prime is 3704629. The next prime is 3704651. The reversal of 3704642 is 2464073.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3243601 + 461041 = 1801^2 + 679^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1361.

It is a d-powerful number, because it can be written as 3³ + 7⁵ + 0 + 4⁹ + 6⁷ + 4¹⁰ + 2²¹ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2042 + ... + 3402.

Almost surely, 2^3704642 is an apocalyptic number.

3704642 is a deficient number, since it is larger than the sum of its proper divisors (1856407).

3704642 is an frugal number, since it uses more digits than its factorization.

3704642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3704642 is about 1924.7446583898. The cubic root of 3704642 is about 154.7326922407.

The spelling of 3704642 in words is "three million, seven hundred four thousand, six hundred forty-two".