1072213717 has 2 divisors, whose sum is σ = 1072213718. Its totient is φ = 1072213716.

The previous prime is 1072213699. The next prime is 1072213741. The reversal of 1072213717 is 7173122701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1069682436 + 2531281 = 32706^2 + 1591^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072213717 - 2⁷ = 1072213589 is a prime.

It is a super-2 number, since 2×1072213717² = 2299284509845912178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072213117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536106858 + 536106859.

It is an arithmetic number, because the mean of its divisors is an integer number (536106859).

Almost surely, 2^1072213717 is an apocalyptic number.

It is an amenable number.

1072213717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072213717 is an equidigital number, since it uses as much as digits as its factorization.

1072213717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4116, while the sum is 31.

The square root of 1072213717 is about 32744.6746357328. The cubic root of 1072213717 is about 1023.5139972408.

The spelling of 1072213717 in words is "one billion, seventy-two million, two hundred thirteen thousand, seven hundred seventeen".