6430747 has 2 divisors, whose sum is σ = 6430748. Its totient is φ = 6430746.

The previous prime is 6430687. The next prime is 6430751. The reversal of 6430747 is 7470346.

6430747 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6430747 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6³ + 4⁴ + 3¹² + 0 + 7⁶ + 4⁷ + 7⁸ .

6430747 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6430247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215373 + 3215374.

It is an arithmetic number, because the mean of its divisors is an integer number (3215374).

Almost surely, 2^6430747 is an apocalyptic number.

6430747 is a deficient number, since it is larger than the sum of its proper divisors (1).

6430747 is an equidigital number, since it uses as much as digits as its factorization.

6430747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 6430747 is about 2535.8917563650. The cubic root of 6430747 is about 185.9604012514.

The spelling of 6430747 in words is "six million, four hundred thirty thousand, seven hundred forty-seven".