3722000 has 40 divisors (see below), whose sum is σ = 9004632. Its totient is φ = 1488000.

The previous prime is 3721981. The next prime is 3722009. The reversal of 3722000 is 2273.

It can be written as a sum of positive squares in 4 ways, for example, as 1149184 + 2572816 = 1072^2 + 1604^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (3722009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070 + ... + 2930.

Almost surely, 2^3722000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3722000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4502316).

3722000 is an abundant number, since it is smaller than the sum of its proper divisors (5282632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3722000 is a wasteful number, since it uses less digits than its factorization.

3722000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 3722000 is about 1929.2485583771. The cubic root of 3722000 is about 154.9739810644.

Adding to 3722000 its reverse (2273), we get a palindrome (3724273).

The spelling of 3722000 in words is "three million, seven hundred twenty-two thousand".