3728070 has 48 divisors (see below), whose sum is σ = 10120032. Its totient is φ = 950400.

The previous prime is 3728069. The next prime is 3728099. The reversal of 3728070 is 708273.

3728070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 1170 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (210834).

Almost surely, 2^3728070 is an apocalyptic number.

3728070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3728070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5060016).

3728070 is an abundant number, since it is smaller than the sum of its proper divisors (6391962).

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

3728070 is a wasteful number, since it uses less digits than its factorization.

3728070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1834 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 3728070 is about 1930.8210688720. The cubic root of 3728070 is about 155.0581814186.

The spelling of 3728070 in words is "three million, seven hundred twenty-eight thousand, seventy".