3736971925 has 6 divisors (see below), whose sum is σ = 4633845218. Its totient is φ = 2989577520.

The previous prime is 3736971923. The next prime is 3736971949. The reversal of 3736971925 is 5291796373.

It can be written as a sum of positive squares in 3 ways, for example, as 806048881 + 2930923044 = 28391^2 + 54138^2 .

It is not a de Polignac number, because 3736971925 - 2¹ = 3736971923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3736971923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74739414 + ... + 74739463.

Almost surely, 2^3736971925 is an apocalyptic number.

It is an amenable number.

3736971925 is a deficient number, since it is larger than the sum of its proper divisors (896873293).

3736971925 is a wasteful number, since it uses less digits than its factorization.

3736971925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149478887 (or 149478882 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 52.

The square root of 3736971925 is about 61130.7772320948. Note that the first 3 decimals coincide. The cubic root of 3736971925 is about 1551.8149983908.

The spelling of 3736971925 in words is "three billion, seven hundred thirty-six million, nine hundred seventy-one thousand, nine hundred twenty-five".