3749642 has 16 divisors (see below), whose sum is σ = 6267240. Its totient is φ = 1670592.

The previous prime is 3749633. The next prime is 3749653. The reversal of 3749642 is 2469473.

3749642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2886601 + 863041 = 1699^2 + 929^2 .

It is an unprimeable number.

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, 1733 + ... + 3240.

Almost surely, 2^3749642 is an apocalyptic number.

3749642 is a deficient number, since it is larger than the sum of its proper divisors (2517598).

3749642 is a wasteful number, since it uses less digits than its factorization.

3749642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017.

The product of its digits is 36288, while the sum is 35.

The square root of 3749642 is about 1936.3992356950. The cubic root of 3749642 is about 155.3566811882.

The spelling of 3749642 in words is "three million, seven hundred forty-nine thousand, six hundred forty-two".