3727880 has 64 divisors (see below), whose sum is σ = 9253440. Its totient is φ = 1343232.

The previous prime is 3727877. The next prime is 3727903. The reversal of 3727880 is 887273.

It is a happy number.

3727880 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3727880.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34787 + ... + 34893.

It is an arithmetic number, because the mean of its divisors is an integer number (144585).

Almost surely, 2^3727880 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 3727880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4626720).

3727880 is an abundant number, since it is smaller than the sum of its proper divisors (5525560).

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

3727880 is a wasteful number, since it uses less digits than its factorization.

3727880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 3727880 is about 1930.7718663788. The cubic root of 3727880 is about 155.0555472088.

The spelling of 3727880 in words is "three million, seven hundred twenty-seven thousand, eight hundred eighty".