3715144128072 has 96 divisors (see below), whose sum is σ = 10882343417400. Its totient is φ = 1138215103488.

The previous prime is 3715144128049. The next prime is 3715144128077. The reversal of 3715144128072 is 2708214415173.

It is a happy number.

3715144128072 is a `hidden beast` number, since 3 + 7 + 1 + 514 + 4 + 128 + 0 + 7 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1494227532996 + 2220916595076 = 1222386^2 + 1490274^2 .

It is a super-2 number, since 2×3715144128072² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3715144128077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8299447 + ... + 8735622.

Almost surely, 2^{3715144128072} is an apocalyptic number.

It is an amenable number.

3715144128072 is an abundant number, since it is smaller than the sum of its proper divisors (7167199289328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3715144128072 is a wasteful number, since it uses less digits than its factorization.

3715144128072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17035327 (or 17035320 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 3715144128072 in words is "three trillion, seven hundred fifteen billion, one hundred forty-four million, one hundred twenty-eight thousand, seventy-two".