712307749 has 2 divisors, whose sum is σ = 712307750. Its totient is φ = 712307748.

The previous prime is 712307747. The next prime is 712307759. The reversal of 712307749 is 947703217.

712307749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579942724 + 132365025 = 24082^2 + 11505^2 .

It is a cyclic number.

It is not a de Polignac number, because 712307749 - 2¹ = 712307747 is a prime.

It is a super-3 number, since 3×712307749³ (a number of 28 digits) contains 333 as substring.

Together with 712307747, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712307747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356153874 + 356153875.

It is an arithmetic number, because the mean of its divisors is an integer number (356153875).

Almost surely, 2^712307749 is an apocalyptic number.

It is an amenable number.

712307749 is a deficient number, since it is larger than the sum of its proper divisors (1).

712307749 is an equidigital number, since it uses as much as digits as its factorization.

712307749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 712307749 is about 26689.0941959445. The cubic root of 712307749 is about 893.0776542219.

The spelling of 712307749 in words is "seven hundred twelve million, three hundred seven thousand, seven hundred forty-nine".