712539973 has 2 divisors, whose sum is σ = 712539974. Its totient is φ = 712539972.

The previous prime is 712539959. The next prime is 712539979. The reversal of 712539973 is 379935217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 708784129 + 3755844 = 26623^2 + 1938^2 .

It is a cyclic number.

It is not a de Polignac number, because 712539973 - 2⁵ = 712539941 is a prime.

It is equal to p_36868546 and since 712539973 and 36868546 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712539979) 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, 356269986 + 356269987.

It is an arithmetic number, because the mean of its divisors is an integer number (356269987).

Almost surely, 2^712539973 is an apocalyptic number.

It is an amenable number.

712539973 is a deficient number, since it is larger than the sum of its proper divisors (1).

712539973 is an equidigital number, since it uses as much as digits as its factorization.

712539973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 357210, while the sum is 46.

The square root of 712539973 is about 26693.4443824696. Note that the first 3 decimals coincide. The cubic root of 712539973 is about 893.1746963274.

The spelling of 712539973 in words is "seven hundred twelve million, five hundred thirty-nine thousand, nine hundred seventy-three".