29728571734 has 16 divisors (see below), whose sum is σ = 44970582528. Its totient is φ = 14738516352.

The previous prime is 29728571693. The next prime is 29728571759. The reversal of 29728571734 is 43717582792.

It is a congruent number.

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, 406414 + ... + 473950.

It is an arithmetic number, because the mean of its divisors is an integer number (2810661408).

Almost surely, 2^29728571734 is an apocalyptic number.

29728571734 is a deficient number, since it is larger than the sum of its proper divisors (15242010794).

29728571734 is a wasteful number, since it uses less digits than its factorization.

29728571734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69399.

The product of its digits is 5927040, while the sum is 55.

The spelling of 29728571734 in words is "twenty-nine billion, seven hundred twenty-eight million, five hundred seventy-one thousand, seven hundred thirty-four".