647023007 has 2 divisors, whose sum is σ = 647023008. Its totient is φ = 647023006.

The previous prime is 647023001. The next prime is 647023049. The reversal of 647023007 is 700320746.

647023007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 647023007 - 2⁴ = 647022991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (647023001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323511503 + 323511504.

It is an arithmetic number, because the mean of its divisors is an integer number (323511504).

Almost surely, 2^647023007 is an apocalyptic number.

647023007 is a deficient number, since it is larger than the sum of its proper divisors (1).

647023007 is an equidigital number, since it uses as much as digits as its factorization.

647023007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 647023007 is about 25436.6469291847. The cubic root of 647023007 is about 864.9146259866.

The spelling of 647023007 in words is "six hundred forty-seven million, twenty-three thousand, seven".