3750691625 has 8 divisors (see below), whose sum is σ = 4680863304. Its totient is φ = 3000553200.

The previous prime is 3750691613. The next prime is 3750691649. The reversal of 3750691625 is 5261960573.

It can be written as a sum of positive squares in 4 ways, for example, as 274763776 + 3475927849 = 16576^2 + 58957^2 .

It is not a de Polignac number, because 3750691625 - 2³⁰ = 2676949801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15002642 + ... + 15002891.

It is an arithmetic number, because the mean of its divisors is an integer number (585107913).

Almost surely, 2^3750691625 is an apocalyptic number.

It is an amenable number.

3750691625 is a deficient number, since it is larger than the sum of its proper divisors (930171679).

3750691625 is an equidigital number, since it uses as much as digits as its factorization.

3750691625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30005548 (or 30005538 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 3750691625 is about 61242.8904037032. The cubic root of 3750691625 is about 1553.7117599804.

The spelling of 3750691625 in words is "three billion, seven hundred fifty million, six hundred ninety-one thousand, six hundred twenty-five".