6747505137 has 12 divisors (see below), whose sum is σ = 9748698960. Its totient is φ = 4497274008.

The previous prime is 6747505129. The next prime is 6747505151. The reversal of 6747505137 is 7315057476.

6747505137 is a `hidden beast` number, since 6 + 7 + 4 + 7 + 505 + 137 = 666.

It is not a de Polignac number, because 6747505137 - 2³ = 6747505129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6747505092 and 6747505101.

It is not an unprimeable number, because it can be changed into a prime (6747505187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47343 + ... + 125444.

It is an arithmetic number, because the mean of its divisors is an integer number (812391580).

Almost surely, 2^6747505137 is an apocalyptic number.

It is an amenable number.

6747505137 is a deficient number, since it is larger than the sum of its proper divisors (3001193823).

6747505137 is a wasteful number, since it uses less digits than its factorization.

6747505137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177132 (or 177129 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The square root of 6747505137 is about 82143.1989698478. The cubic root of 6747505137 is about 1889.6487068602.

The spelling of 6747505137 in words is "six billion, seven hundred forty-seven million, five hundred five thousand, one hundred thirty-seven".