712666005 has 8 divisors (see below), whose sum is σ = 1140265632. Its totient is φ = 380088528.

The previous prime is 712665997. The next prime is 712666007. The reversal of 712666005 is 500666217.

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

It is not a de Polignac number, because 712666005 - 2³ = 712665997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712666007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23755519 + ... + 23755548.

It is an arithmetic number, because the mean of its divisors is an integer number (142533204).

Almost surely, 2^712666005 is an apocalyptic number.

It is an amenable number.

712666005 is a deficient number, since it is larger than the sum of its proper divisors (427599627).

712666005 is a wasteful number, since it uses less digits than its factorization.

712666005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47511075.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 712666005 is about 26695.8050075288. The cubic root of 712666005 is about 893.2273539379.

The spelling of 712666005 in words is "seven hundred twelve million, six hundred sixty-six thousand, five".