3722642 has 32 divisors (see below), whose sum is σ = 7271424. Its totient is φ = 1386000.

The previous prime is 3722629. The next prime is 3722683. The reversal of 3722642 is 2462273.

3722642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 3017 + ... + 4067.

It is an arithmetic number, because the mean of its divisors is an integer number (227232).

Almost surely, 2^3722642 is an apocalyptic number.

3722642 is a deficient number, since it is larger than the sum of its proper divisors (3548782).

3722642 is a wasteful number, since it uses less digits than its factorization.

3722642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094.

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

The square root of 3722642 is about 1929.4149372284. The cubic root of 3722642 is about 154.9828909315.

The spelling of 3722642 in words is "three million, seven hundred twenty-two thousand, six hundred forty-two".