712145873 has 2 divisors, whose sum is σ = 712145874. Its totient is φ = 712145872.

The previous prime is 712145869. The next prime is 712145899. The reversal of 712145873 is 378541217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 572740624 + 139405249 = 23932^2 + 11807^2 .

It is a cyclic number.

It is not a de Polignac number, because 712145873 - 2² = 712145869 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_36849116 and since 712145873 and 36849116 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (712141873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356072936 + 356072937.

It is an arithmetic number, because the mean of its divisors is an integer number (356072937).

Almost surely, 2^712145873 is an apocalyptic number.

It is an amenable number.

712145873 is a deficient number, since it is larger than the sum of its proper divisors (1).

712145873 is an equidigital number, since it uses as much as digits as its factorization.

712145873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 38.

The square root of 712145873 is about 26686.0613991649. The cubic root of 712145873 is about 893.0099967656.

The spelling of 712145873 in words is "seven hundred twelve million, one hundred forty-five thousand, eight hundred seventy-three".