1072723056 has 40 divisors (see below), whose sum is σ = 2772389520. Its totient is φ = 357421056.

The previous prime is 1072723051. The next prime is 1072723063. The reversal of 1072723056 is 6503272701.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072723051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189840 + ... + 195408.

It is an arithmetic number, because the mean of its divisors is an integer number (69309738).

Almost surely, 2^1072723056 is an apocalyptic number.

1072723056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1072723056 is an abundant number, since it is smaller than the sum of its proper divisors (1699666464).

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

1072723056 is a wasteful number, since it uses less digits than its factorization.

1072723056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9593 (or 9587 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 1072723056 is about 32752.4511449143. The cubic root of 1072723056 is about 1023.6760398951.

Adding to 1072723056 its reverse (6503272701), we get a palindrome (7575995757).

The spelling of 1072723056 in words is "one billion, seventy-two million, seven hundred twenty-three thousand, fifty-six".