669576007 has 2 divisors, whose sum is σ = 669576008. Its totient is φ = 669576006.

The previous prime is 669576001. The next prime is 669576031. The reversal of 669576007 is 700675966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 669576007 - 2³ = 669575999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (669576001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334788003 + 334788004.

It is an arithmetic number, because the mean of its divisors is an integer number (334788004).

Almost surely, 2^669576007 is an apocalyptic number.

669576007 is a deficient number, since it is larger than the sum of its proper divisors (1).

669576007 is an equidigital number, since it uses as much as digits as its factorization.

669576007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 669576007 is about 25876.1667756258. The cubic root of 669576007 is about 874.8493920920.

The spelling of 669576007 in words is "six hundred sixty-nine million, five hundred seventy-six thousand, seven".