3730320 has 160 divisors (see below), whose sum is σ = 14106240. Its totient is φ = 898560.

The previous prime is 3730319. The next prime is 3730339. The reversal of 3730320 is 230373.

3730320 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 junction number, because it is equal to n+sod(n) for n = 3730293 and 3730302.

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 31 ways as a sum of consecutive naturals, for example, 23682 + ... + 23838.

It is an arithmetic number, because the mean of its divisors is an integer number (88164).

Almost surely, 2^3730320 is an apocalyptic number.

3730320 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 3730320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7053120).

3730320 is an abundant number, since it is smaller than the sum of its proper divisors (10375920).

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

3730320 is a wasteful number, since it uses less digits than its factorization.

3730320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 18.

The square root of 3730320 is about 1931.4036346657. The cubic root of 3730320 is about 155.0893692043.

Adding to 3730320 its reverse (230373), we get a palindrome (3960693).

The spelling of 3730320 in words is "three million, seven hundred thirty thousand, three hundred twenty".