3720660 has 24 divisors (see below), whose sum is σ = 10418016. Its totient is φ = 992160.

The previous prime is 3720649. The next prime is 3720667. The reversal of 3720660 is 660273.

3720660 is digitally balanced in base 2, 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 3720660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720667) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30946 + ... + 31065.

It is an arithmetic number, because the mean of its divisors is an integer number (434084).

Almost surely, 2^3720660 is an apocalyptic number.

3720660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3720660 is an abundant number, since it is smaller than the sum of its proper divisors (6697356).

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

3720660 is a wasteful number, since it uses less digits than its factorization.

3720660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62023 (or 62021 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 3720660 is about 1928.9012416399. The cubic root of 3720660 is about 154.9553808440.

The spelling of 3720660 in words is "three million, seven hundred twenty thousand, six hundred sixty".