6929147 has 2 divisors, whose sum is σ = 6929148. Its totient is φ = 6929146.

The previous prime is 6929113. The next prime is 6929159. The reversal of 6929147 is 7419296.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6929147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6929147.

It is not a weakly prime, because it can be changed into another prime (6929107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3464573 + 3464574.

It is an arithmetic number, because the mean of its divisors is an integer number (3464574).

Almost surely, 2^6929147 is an apocalyptic number.

6929147 is a deficient number, since it is larger than the sum of its proper divisors (1).

6929147 is an equidigital number, since it uses as much as digits as its factorization.

6929147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 6929147 is about 2632.3272972790. The cubic root of 6929147 is about 190.6455144813.

The spelling of 6929147 in words is "six million, nine hundred twenty-nine thousand, one hundred forty-seven".