3722678 has 4 divisors (see below), whose sum is σ = 5584020. Its totient is φ = 1861338.

The previous prime is 3722629. The next prime is 3722683. The reversal of 3722678 is 8762273.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 930668 + ... + 930671.

It is an arithmetic number, because the mean of its divisors is an integer number (1396005).

Almost surely, 2^3722678 is an apocalyptic number.

3722678 is a deficient number, since it is larger than the sum of its proper divisors (1861342).

3722678 is a wasteful number, since it uses less digits than its factorization.

3722678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861341.

The product of its digits is 28224, while the sum is 35.

The square root of 3722678 is about 1929.4242664588. The cubic root of 3722678 is about 154.9833905199.

The spelling of 3722678 in words is "three million, seven hundred twenty-two thousand, six hundred seventy-eight".