667407795 has 8 divisors (see below), whose sum is σ = 1067852496. Its totient is φ = 355950816.

The previous prime is 667407691. The next prime is 667407817. The reversal of 667407795 is 597704766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 667407795 - 2¹⁰ = 667406771 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22246912 + ... + 22246941.

It is an arithmetic number, because the mean of its divisors is an integer number (133481562).

Almost surely, 2^667407795 is an apocalyptic number.

667407795 is a deficient number, since it is larger than the sum of its proper divisors (400444701).

667407795 is a wasteful number, since it uses less digits than its factorization.

667407795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44493861.

The product of its (nonzero) digits is 2222640, while the sum is 51.

The square root of 667407795 is about 25834.2368766720. The cubic root of 667407795 is about 873.9040624691.

The spelling of 667407795 in words is "six hundred sixty-seven million, four hundred seven thousand, seven hundred ninety-five".