3751731625 has 16 divisors (see below), whose sum is σ = 4715867520. Its totient is φ = 2979778800.

The previous prime is 3751731623. The next prime is 3751731647. The reversal of 3751731625 is 5261371573.

It is a happy number.

It is not a de Polignac number, because 3751731625 - 2¹ = 3751731623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3751731623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90589 + ... + 125338.

It is an arithmetic number, because the mean of its divisors is an integer number (294741720).

Almost surely, 2^3751731625 is an apocalyptic number.

It is an amenable number.

3751731625 is a deficient number, since it is larger than the sum of its proper divisors (964135895).

3751731625 is a wasteful number, since it uses less digits than its factorization.

3751731625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216081 (or 216071 counting only the distinct ones).

The product of its digits is 132300, while the sum is 40.

The square root of 3751731625 is about 61251.3805966853. The cubic root of 3751731625 is about 1553.8553522442.

The spelling of 3751731625 in words is "three billion, seven hundred fifty-one million, seven hundred thirty-one thousand, six hundred twenty-five".