712731143 has 2 divisors, whose sum is σ = 712731144. Its totient is φ = 712731142.

The previous prime is 712731139. The next prime is 712731179. The reversal of 712731143 is 341137217.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 712731143 - 2² = 712731139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712731113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356365571 + 356365572.

It is an arithmetic number, because the mean of its divisors is an integer number (356365572).

Almost surely, 2^712731143 is an apocalyptic number.

712731143 is a deficient number, since it is larger than the sum of its proper divisors (1).

712731143 is an equidigital number, since it uses as much as digits as its factorization.

712731143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 29.

The square root of 712731143 is about 26697.0249840689. The cubic root of 712731143 is about 893.2545669055.

The spelling of 712731143 in words is "seven hundred twelve million, seven hundred thirty-one thousand, one hundred forty-three".