1072068609 has 4 divisors (see below), whose sum is σ = 1429424816. Its totient is φ = 714712404.

The previous prime is 1072068593. The next prime is 1072068619. The reversal of 1072068609 is 9068602701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1072068609 - 2⁴ = 1072068593 is a prime.

It is a super-2 number, since 2×1072068609² = 2298662204806389762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072068619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178678099 + ... + 178678104.

It is an arithmetic number, because the mean of its divisors is an integer number (357356204).

Almost surely, 2^1072068609 is an apocalyptic number.

It is an amenable number.

1072068609 is a deficient number, since it is larger than the sum of its proper divisors (357356207).

1072068609 is an equidigital number, since it uses as much as digits as its factorization.

1072068609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357356206.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1072068609 is about 32742.4588111522. The cubic root of 1072068609 is about 1023.4678227493.

The spelling of 1072068609 in words is "one billion, seventy-two million, sixty-eight thousand, six hundred nine".