3720541 has 4 divisors (see below), whose sum is σ = 4058784. Its totient is φ = 3382300.

The previous prime is 3720511. The next prime is 3720551. The reversal of 3720541 is 1450273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3720541 - 2⁷ = 3720413 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169105 + ... + 169126.

It is an arithmetic number, because the mean of its divisors is an integer number (1014696).

Almost surely, 2^3720541 is an apocalyptic number.

It is an amenable number.

3720541 is a deficient number, since it is larger than the sum of its proper divisors (338243).

3720541 is a wasteful number, since it uses less digits than its factorization.

3720541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338242.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3720541 is about 1928.8703948166. The cubic root of 3720541 is about 154.9537288175.

The spelling of 3720541 in words is "three million, seven hundred twenty thousand, five hundred forty-one".