712806929 has 4 divisors (see below), whose sum is σ = 719468784. Its totient is φ = 706145076.

The previous prime is 712806893. The next prime is 712806937. The reversal of 712806929 is 929608217.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 712806929 - 2⁸ = 712806673 is a prime.

It is a super-2 number, since 2×712806929² = 1016187436060822082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 712806929.

It is not an unprimeable number, because it can be changed into a prime (712806949) 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 3 ways as a sum of consecutive naturals, for example, 3330767 + ... + 3330980.

It is an arithmetic number, because the mean of its divisors is an integer number (179867196).

Almost surely, 2^712806929 is an apocalyptic number.

It is an amenable number.

712806929 is a deficient number, since it is larger than the sum of its proper divisors (6661855).

712806929 is a wasteful number, since it uses less digits than its factorization.

712806929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6661854.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 712806929 is about 26698.4443179748. Note that the first 3 decimals coincide. The cubic root of 712806929 is about 893.2862262449.

The spelling of 712806929 in words is "seven hundred twelve million, eight hundred six thousand, nine hundred twenty-nine".