1073906768 has 80 divisors (see below), whose sum is σ = 2379972672. Its totient is φ = 465024000.

The previous prime is 1073906761. The next prime is 1073906783. The reversal of 1073906768 is 8676093701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073906761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308558 + ... + 312018.

Almost surely, 2^1073906768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1073906768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189986336).

1073906768 is an abundant number, since it is smaller than the sum of its proper divisors (1306065904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1073906768 is a wasteful number, since it uses less digits than its factorization.

1073906768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564 (or 3558 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 1073906768 is about 32770.5167490536. The cubic root of 1073906768 is about 1024.0524316008.

The spelling of 1073906768 in words is "one billion, seventy-three million, nine hundred six thousand, seven hundred sixty-eight".