1073440686 has 8 divisors (see below), whose sum is σ = 2146881384. Its totient is φ = 357813560.

The previous prime is 1073440681. The next prime is 1073440723. The reversal of 1073440686 is 6860443701.

It is a sphenic number, since it is the product of 3 distinct primes.

1073440686 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073440681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89453385 + ... + 89453396.

It is an arithmetic number, because the mean of its divisors is an integer number (268360173).

Almost surely, 2^1073440686 is an apocalyptic number.

1073440686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1073440686 is a wasteful number, since it uses less digits than its factorization.

1073440686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178906786.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1073440686 is about 32763.4046765595. The cubic root of 1073440686 is about 1023.9042618572.

The spelling of 1073440686 in words is "one billion, seventy-three million, four hundred forty thousand, six hundred eighty-six".