743828656 has 20 divisors (see below), whose sum is σ = 1490864400. Its totient is φ = 359089472.

The previous prime is 743828647. The next prime is 743828699. The reversal of 743828656 is 656828347.

743828656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801076 + ... + 802003.

It is an arithmetic number, because the mean of its divisors is an integer number (74543220).

Almost surely, 2^743828656 is an apocalyptic number.

It is an amenable number.

743828656 is an abundant number, since it is smaller than the sum of its proper divisors (747035744).

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

743828656 is a wasteful number, since it uses less digits than its factorization.

743828656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603116 (or 1603110 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The square root of 743828656 is about 27273.2223252039. Note that the first 3 decimals coincide. The cubic root of 743828656 is about 906.0614128964.

It can be divided in two parts, 74382 and 8656, that added together give a palindrome (83038).

The spelling of 743828656 in words is "seven hundred forty-three million, eight hundred twenty-eight thousand, six hundred fifty-six".