3720378 has 16 divisors (see below), whose sum is σ = 7525440. Its totient is φ = 1226016.

The previous prime is 3720373. The next prime is 3720383. The reversal of 3720378 is 8730273.

3720378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3720373) and next prime (3720383).

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3720373) 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, 2950 + ... + 4017.

It is an arithmetic number, because the mean of its divisors is an integer number (470340).

Almost surely, 2^3720378 is an apocalyptic number.

3720378 is an abundant number, since it is smaller than the sum of its proper divisors (3805062).

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

3720378 is a wasteful number, since it uses less digits than its factorization.

3720378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 3720378 is about 1928.8281416446. The cubic root of 3720378 is about 154.9514659005.

The spelling of 3720378 in words is "three million, seven hundred twenty thousand, three hundred seventy-eight".