6672906137 has 2 divisors, whose sum is σ = 6672906138. Its totient is φ = 6672906136.

The previous prime is 6672906133. The next prime is 6672906161. The reversal of 6672906137 is 7316092766.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5745033616 + 927872521 = 75796^2 + 30461^2 .

It is a cyclic number.

It is not a de Polignac number, because 6672906137 - 2² = 6672906133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6672906091 and 6672906100.

It is not a weakly prime, because it can be changed into another prime (6672906133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3336453068 + 3336453069.

It is an arithmetic number, because the mean of its divisors is an integer number (3336453069).

Almost surely, 2^6672906137 is an apocalyptic number.

It is an amenable number.

6672906137 is a deficient number, since it is larger than the sum of its proper divisors (1).

6672906137 is an equidigital number, since it uses as much as digits as its factorization.

6672906137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 6672906137 is about 81687.8579533091. The cubic root of 6672906137 is about 1882.6590313184.

The spelling of 6672906137 in words is "six billion, six hundred seventy-two million, nine hundred six thousand, one hundred thirty-seven".