3720812 has 12 divisors (see below), whose sum is σ = 6634656. Its totient is φ = 1825200.

The previous prime is 3720811. The next prime is 3720839. The reversal of 3720812 is 2180273.

3720812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3720811) 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 3 ways as a sum of consecutive naturals, for example, 8564 + ... + 8987.

It is an arithmetic number, because the mean of its divisors is an integer number (552888).

Almost surely, 2^3720812 is an apocalyptic number.

It is an amenable number.

3720812 is a deficient number, since it is larger than the sum of its proper divisors (2913844).

3720812 is a wasteful number, since it uses less digits than its factorization.

3720812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17608 (or 17606 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 3720812 is about 1928.9406419068. The cubic root of 3720812 is about 154.9574909443.

The spelling of 3720812 in words is "three million, seven hundred twenty thousand, eight hundred twelve".