3722040 has 144 divisors (see below), whose sum is σ = 14138280. Its totient is φ = 846720.

The previous prime is 3722039. The next prime is 3722053. The reversal of 3722040 is 402273.

It is a happy number.

3722040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 17535 + ... + 17745.

Almost surely, 2^3722040 is an apocalyptic number.

3722040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3722040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7069140).

3722040 is an abundant number, since it is smaller than the sum of its proper divisors (10416240).

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

3722040 is a wasteful number, since it uses less digits than its factorization.

3722040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 3722040 is about 1929.2589250798. The cubic root of 3722040 is about 154.9745362263.

The spelling of 3722040 in words is "three million, seven hundred twenty-two thousand, forty".