29728273188496 has 45 divisors (see below), whose sum is σ = 58061041727241. Its totient is φ = 14745722152896.

The previous prime is 29728273188479. The next prime is 29728273188503. The reversal of 29728273188496 is 69488137282792.

The square root of 29728273188496 is 5452364.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2392775859600 + 27335497328896 = 1546860^2 + 5228336^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2769795546 + ... + 2769806278.

Almost surely, 2^{29728273188496} is an apocalyptic number.

29728273188496 is the 5452364-th square number.

It is an amenable number.

29728273188496 is a deficient number, since it is larger than the sum of its proper divisors (28332768538745).

29728273188496 is an frugal number, since it uses more digits than its factorization.

29728273188496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21728 (or 10862 counting only the distinct ones).

The product of its digits is 1170505728, while the sum is 76.

The spelling of 29728273188496 in words is "twenty-nine trillion, seven hundred twenty-eight billion, two hundred seventy-three million, one hundred eighty-eight thousand, four hundred ninety-six".