3720519 has 16 divisors (see below), whose sum is σ = 6013440. Its totient is φ = 2254680.

The previous prime is 3720511. The next prime is 3720551. The reversal of 3720519 is 9150273.

3720519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3720519 - 2³ = 3720511 is a prime.

It is a super-2 number, since 2×3720519² = 27684523258722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3720492 and 3720501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720511) 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 15 ways as a sum of consecutive naturals, for example, 5967 + ... + 6560.

It is an arithmetic number, because the mean of its divisors is an integer number (375840).

Almost surely, 2^3720519 is an apocalyptic number.

3720519 is a deficient number, since it is larger than the sum of its proper divisors (2292921).

3720519 is a wasteful number, since it uses less digits than its factorization.

3720519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12547 (or 12541 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 3720519 is about 1928.8646919885. The cubic root of 3720519 is about 154.9534233970.

The spelling of 3720519 in words is "three million, seven hundred twenty thousand, five hundred nineteen".