3722500 has 30 divisors (see below), whose sum is σ = 8145830. Its totient is φ = 1488000.

The previous prime is 3722491. The next prime is 3722519. The reversal of 3722500 is 52273.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2022084 + 1700416 = 1422^2 + 1304^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1756 + ... + 3244.

Almost surely, 2^3722500 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 3722500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4072915).

3722500 is an abundant number, since it is smaller than the sum of its proper divisors (4423330).

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

3722500 is a wasteful number, since it uses less digits than its factorization.

3722500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 3722500 is about 1929.3781381575. The cubic root of 3722500 is about 154.9809203015.

Adding to 3722500 its reverse (52273), we get a palindrome (3774773).

The spelling of 3722500 in words is "three million, seven hundred twenty-two thousand, five hundred".