743212997 has 2 divisors, whose sum is σ = 743212998. Its totient is φ = 743212996.

The previous prime is 743212991. The next prime is 743213069. The reversal of 743212997 is 799212347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599956036 + 143256961 = 24494^2 + 11969^2 .

It is a cyclic number.

It is not a de Polignac number, because 743212997 - 2⁸ = 743212741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (743212991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371606498 + 371606499.

It is an arithmetic number, because the mean of its divisors is an integer number (371606499).

Almost surely, 2^743212997 is an apocalyptic number.

It is an amenable number.

743212997 is a deficient number, since it is larger than the sum of its proper divisors (1).

743212997 is an equidigital number, since it uses as much as digits as its factorization.

743212997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 44.

The square root of 743212997 is about 27261.9331119420. The cubic root of 743212997 is about 905.8113647921.

The spelling of 743212997 in words is "seven hundred forty-three million, two hundred twelve thousand, nine hundred ninety-seven".