29756428706 has 16 divisors (see below), whose sum is σ = 45136036728. Its totient is φ = 14711472000.

The previous prime is 29756428697. The next prime is 29756428717. The reversal of 29756428706 is 60782465792.

It can be written as a sum of positive squares in 4 ways, for example, as 27902695681 + 1853733025 = 167041^2 + 43055^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56936 + ... + 250508.

Almost surely, 2^29756428706 is an apocalyptic number.

29756428706 is a deficient number, since it is larger than the sum of its proper divisors (15379608022).

29756428706 is a wasteful number, since it uses less digits than its factorization.

29756428706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194437.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 29756428706 in words is "twenty-nine billion, seven hundred fifty-six million, four hundred twenty-eight thousand, seven hundred six".