1073840791 has 4 divisors (see below), whose sum is σ = 1094101992. Its totient is φ = 1053579592.

The previous prime is 1073840783. The next prime is 1073840809. The reversal of 1073840791 is 1970483701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1073840791 - 2³ = 1073840783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073840701) 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, 10130521 + ... + 10130626.

It is an arithmetic number, because the mean of its divisors is an integer number (273525498).

Almost surely, 2^1073840791 is an apocalyptic number.

1073840791 is a deficient number, since it is larger than the sum of its proper divisors (20261201).

1073840791 is an equidigital number, since it uses as much as digits as its factorization.

1073840791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20261200.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1073840791 is about 32769.5100817818. The cubic root of 1073840791 is about 1024.0314597955.

It can be divided in two parts, 10738 and 40791, that added together give a square (51529 = 227²).

The spelling of 1073840791 in words is "one billion, seventy-three million, eight hundred forty thousand, seven hundred ninety-one".