712247663 has 4 divisors (see below), whose sum is σ = 712301040. Its totient is φ = 712194288.

The previous prime is 712247629. The next prime is 712247671. The reversal of 712247663 is 366742217.

712247663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 712247663 - 2²⁸ = 443812207 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 (712247563) 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, 13283 + ... + 40011.

It is an arithmetic number, because the mean of its divisors is an integer number (178075260).

Almost surely, 2^712247663 is an apocalyptic number.

712247663 is a deficient number, since it is larger than the sum of its proper divisors (53377).

712247663 is a wasteful number, since it uses less digits than its factorization.

712247663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53376.

The product of its digits is 84672, while the sum is 38.

The square root of 712247663 is about 26687.9685064263. The cubic root of 712247663 is about 893.0525419615.

It can be divided in two parts, 71224 and 7663, that added together give a palindrome (78887).

The spelling of 712247663 in words is "seven hundred twelve million, two hundred forty-seven thousand, six hundred sixty-three".