712838047 has 4 divisors (see below), whose sum is σ = 729415720. Its totient is φ = 696260376.

The previous prime is 712838039. The next prime is 712838069. The reversal of 712838047 is 740838217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 712838047 - 2³ = 712838039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712838947) 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, 8288772 + ... + 8288857.

It is an arithmetic number, because the mean of its divisors is an integer number (182353930).

Almost surely, 2^712838047 is an apocalyptic number.

712838047 is a deficient number, since it is larger than the sum of its proper divisors (16577673).

712838047 is a wasteful number, since it uses less digits than its factorization.

712838047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16577672.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 712838047 is about 26699.0270796522. The cubic root of 712838047 is about 893.2992250319.

The spelling of 712838047 in words is "seven hundred twelve million, eight hundred thirty-eight thousand, forty-seven".