712607766 has 48 divisors (see below), whose sum is σ = 1558492416. Its totient is φ = 217103328.

The previous prime is 712607747. The next prime is 712607767. The reversal of 712607766 is 667706217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712607767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101031 + ... + 107853.

It is an arithmetic number, because the mean of its divisors is an integer number (32468592).

Almost surely, 2^712607766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712607766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779246208).

712607766 is an abundant number, since it is smaller than the sum of its proper divisors (845884650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

712607766 is a wasteful number, since it uses less digits than its factorization.

712607766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6957 (or 6944 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 712607766 is about 26694.7141958853. The cubic root of 712607766 is about 893.2030217895.

The spelling of 712607766 in words is "seven hundred twelve million, six hundred seven thousand, seven hundred sixty-six".