3720027 has 4 divisors (see below), whose sum is σ = 4960040. Its totient is φ = 2480016.

The previous prime is 3720023. The next prime is 3720037. The reversal of 3720027 is 7200273.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3720027 - 2² = 3720023 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3719985 and 3720012.

It is not an unprimeable number, because it can be changed into a prime (3720023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620002 + ... + 620007.

It is an arithmetic number, because the mean of its divisors is an integer number (1240010).

Almost surely, 2^3720027 is an apocalyptic number.

3720027 is a deficient number, since it is larger than the sum of its proper divisors (1240013).

3720027 is a wasteful number, since it uses less digits than its factorization.

3720027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240012.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 3720027 is about 1928.7371516098. The cubic root of 3720027 is about 154.9465927689.

It can be divided in two parts, 3 and 720027, that multiplied together give a triangular number (2160081 = T₂₀₇₈).

The spelling of 3720027 in words is "three million, seven hundred twenty thousand, twenty-seven".