3746725137 has 6 divisors (see below), whose sum is σ = 5411936322. Its totient is φ = 2497816752.

The previous prime is 3746725127. The next prime is 3746725141. The reversal of 3746725137 is 7315276473.

3746725137 is a `hidden beast` number, since 3 + 74 + 67 + 2 + 513 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3176900496 + 569824641 = 56364^2 + 23871^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3746725137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3746725092 and 3746725101.

It is not an unprimeable number, because it can be changed into a prime (3746725127) 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, 208151388 + ... + 208151405.

It is an arithmetic number, because the mean of its divisors is an integer number (901989387).

Almost surely, 2^3746725137 is an apocalyptic number.

It is an amenable number.

3746725137 is a deficient number, since it is larger than the sum of its proper divisors (1665211185).

3746725137 is a wasteful number, since it uses less digits than its factorization.

3746725137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416302799 (or 416302796 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The square root of 3746725137 is about 61210.4985848016. The cubic root of 3746725137 is about 1553.1638652277.

The spelling of 3746725137 in words is "three billion, seven hundred forty-six million, seven hundred twenty-five thousand, one hundred thirty-seven".