3722578 has 8 divisors (see below), whose sum is σ = 5592060. Its totient is φ = 1858560.

The previous prime is 3722567. The next prime is 3722591. The reversal of 3722578 is 8752273.

3722578 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 2 ways, for example, as 3697929 + 24649 = 1923^2 + 157^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 1938 + ... + 3346.

Almost surely, 2^3722578 is an apocalyptic number.

3722578 is a deficient number, since it is larger than the sum of its proper divisors (1869482).

3722578 is a wasteful number, since it uses less digits than its factorization.

3722578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732.

The product of its digits is 23520, while the sum is 34.

The square root of 3722578 is about 1929.3983518185. The cubic root of 3722578 is about 154.9820027665.

The spelling of 3722578 in words is "three million, seven hundred twenty-two thousand, five hundred seventy-eight".