556666734 has 96 divisors (see below), whose sum is σ = 1307902464. Its totient is φ = 157248000.

The previous prime is 556666729. The next prime is 556666793. The reversal of 556666734 is 437666655.

556666734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 740859 + ... + 741609.

It is an arithmetic number, because the mean of its divisors is an integer number (13623984).

Almost surely, 2^556666734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556666734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653951232).

556666734 is an abundant number, since it is smaller than the sum of its proper divisors (751235730).

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

556666734 is a wasteful number, since it uses less digits than its factorization.

556666734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 829 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 48.

The square root of 556666734 is about 23593.7859191780. The cubic root of 556666734 is about 822.6184067792.

The spelling of 556666734 in words is "five hundred fifty-six million, six hundred sixty-six thousand, seven hundred thirty-four".