3720173 has 4 divisors (see below), whose sum is σ = 3724128. Its totient is φ = 3716220.

The previous prime is 3720169. The next prime is 3720179. The reversal of 3720173 is 3710273.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3720173 - 2² = 3720169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338 + ... + 2748.

It is an arithmetic number, because the mean of its divisors is an integer number (931032).

Almost surely, 2^3720173 is an apocalyptic number.

It is an amenable number.

3720173 is a deficient number, since it is larger than the sum of its proper divisors (3955).

3720173 is a wasteful number, since it uses less digits than its factorization.

3720173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 3720173 is about 1928.7749998380. The cubic root of 3720173 is about 154.9486198067.

The spelling of 3720173 in words is "three million, seven hundred twenty thousand, one hundred seventy-three".