3720125173 has 4 divisors (see below), whose sum is σ = 3790316268. Its totient is φ = 3649934080.

The previous prime is 3720125117. The next prime is 3720125207. The reversal of 3720125173 is 3715210273.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1233906129 + 2486219044 = 35127^2 + 49862^2 .

It is a cyclic number.

It is not a de Polignac number, because 3720125173 - 2²¹ = 3718028021 is a prime.

It is a Smith number, since the sum of its digits (31) 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 (3720125573) 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, 35095468 + ... + 35095573.

It is an arithmetic number, because the mean of its divisors is an integer number (947579067).

Almost surely, 2^3720125173 is an apocalyptic number.

It is an amenable number.

3720125173 is a deficient number, since it is larger than the sum of its proper divisors (70191095).

3720125173 is an equidigital number, since it uses as much as digits as its factorization.

3720125173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70191094.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 3720125173 is about 60992.8288653674. The cubic root of 3720125173 is about 1549.4795579108.

The spelling of 3720125173 in words is "three billion, seven hundred twenty million, one hundred twenty-five thousand, one hundred seventy-three".