906731671 has 2 divisors, whose sum is σ = 906731672. Its totient is φ = 906731670.

The previous prime is 906731629. The next prime is 906731681. The reversal of 906731671 is 176137609.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (176137609) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 906731671 - 2⁷ = 906731543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906731621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453365835 + 453365836.

It is an arithmetic number, because the mean of its divisors is an integer number (453365836).

Almost surely, 2^906731671 is an apocalyptic number.

906731671 is a deficient number, since it is larger than the sum of its proper divisors (1).

906731671 is an equidigital number, since it uses as much as digits as its factorization.

906731671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 906731671 is about 30111.9855041145. The cubic root of 906731671 is about 967.8905770577.

The spelling of 906731671 in words is "nine hundred six million, seven hundred thirty-one thousand, six hundred seventy-one".