3697742888072 has 16 divisors (see below), whose sum is σ = 6934211455500. Its totient is φ = 1848619833280.

The previous prime is 3697742888071. The next prime is 3697742888093. The reversal of 3697742888072 is 2708882477963.

It can be written as a sum of positive squares in 2 ways, for example, as 3224847357796 + 472895530276 = 1795786^2 + 687674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3697742887987 and 3697742888005.

It is not an unprimeable number, because it can be changed into a prime (3697742888071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31388879 + ... + 31506462.

Almost surely, 2^{3697742888072} is an apocalyptic number.

It is an amenable number.

3697742888072 is a deficient number, since it is larger than the sum of its proper divisors (3236468567428).

3697742888072 is a wasteful number, since it uses less digits than its factorization.

3697742888072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62902696 (or 62902692 counting only the distinct ones).

The product of its (nonzero) digits is 455196672, while the sum is 71.

The spelling of 3697742888072 in words is "three trillion, six hundred ninety-seven billion, seven hundred forty-two million, eight hundred eighty-eight thousand, seventy-two".