3872722 has 8 divisors (see below), whose sum is σ = 6638976. Its totient is φ = 1659732.

The previous prime is 3872681. The next prime is 3872731. The reversal of 3872722 is 2272783.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138298 + ... + 138325.

It is an arithmetic number, because the mean of its divisors is an integer number (829872).

Almost surely, 2^3872722 is an apocalyptic number.

3872722 is a deficient number, since it is larger than the sum of its proper divisors (2766254).

3872722 is a wasteful number, since it uses less digits than its factorization.

3872722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276632.

The product of its digits is 9408, while the sum is 31.

The square root of 3872722 is about 1967.9232708620. The cubic root of 3872722 is about 157.0382478115.

It can be divided in two parts, 3872 and 722, that multiplied together give a square (2795584 = 1672²).

The spelling of 3872722 in words is "three million, eight hundred seventy-two thousand, seven hundred twenty-two".