3625726873 has 4 divisors (see below), whose sum is σ = 3694136868. Its totient is φ = 3557316880.

The previous prime is 3625726859. The next prime is 3625726891. The reversal of 3625726873 is 3786275263.

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 2828963344 + 796763529 = 53188^2 + 28227^2 .

It is a cyclic number.

It is not a de Polignac number, because 3625726873 - 2²⁹ = 3088855961 is a prime.

It is a Smith number, since the sum of its digits (49) 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 not an unprimeable number, because it can be changed into a prime (3625727873) 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, 34204918 + ... + 34205023.

It is an arithmetic number, because the mean of its divisors is an integer number (923534217).

Almost surely, 2^3625726873 is an apocalyptic number.

It is an amenable number.

3625726873 is a deficient number, since it is larger than the sum of its proper divisors (68409995).

3625726873 is an equidigital number, since it uses as much as digits as its factorization.

3625726873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68409994.

The product of its digits is 2540160, while the sum is 49.

The square root of 3625726873 is about 60214.0089431023. The cubic root of 3625726873 is about 1536.2610811142.

The spelling of 3625726873 in words is "three billion, six hundred twenty-five million, seven hundred twenty-six thousand, eight hundred seventy-three".