712709047 has 4 divisors (see below), whose sum is σ = 729283720. Its totient is φ = 696134376.

The previous prime is 712709033. The next prime is 712709069. The reversal of 712709047 is 740907217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740907217 = 1117 ⋅663301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-712709047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 712708997 and 712709015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712709077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8287272 + ... + 8287357.

It is an arithmetic number, because the mean of its divisors is an integer number (182320930).

Almost surely, 2^712709047 is an apocalyptic number.

712709047 is a deficient number, since it is larger than the sum of its proper divisors (16574673).

712709047 is a wasteful number, since it uses less digits than its factorization.

712709047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16574672.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 712709047 is about 26696.6111519796. The cubic root of 712709047 is about 893.2453359554.

The spelling of 712709047 in words is "seven hundred twelve million, seven hundred nine thousand, forty-seven".