1072346309 has 2 divisors, whose sum is σ = 1072346310. Its totient is φ = 1072346308.

The previous prime is 1072346293. The next prime is 1072346333. The reversal of 1072346309 is 9036432701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1038450625 + 33895684 = 32225^2 + 5822^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072346309 - 2⁴ = 1072346293 is a prime.

It is a super-2 number, since 2×1072346309² = 2299853212851846962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072346809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536173154 + 536173155.

It is an arithmetic number, because the mean of its divisors is an integer number (536173155).

Almost surely, 2^1072346309 is an apocalyptic number.

It is an amenable number.

1072346309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072346309 is an equidigital number, since it uses as much as digits as its factorization.

1072346309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 1072346309 is about 32746.6992077064. The cubic root of 1072346309 is about 1023.5561854017.

The spelling of 1072346309 in words is "one billion, seventy-two million, three hundred forty-six thousand, three hundred nine".