29272727147 has 4 divisors (see below), whose sum is σ = 29275712160. Its totient is φ = 29269742136.

The previous prime is 29272727137. The next prime is 29272727167. The reversal of 29272727147 is 74172727292.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29272727147 - 2⁶ = 29272727083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29272727095 and 29272727104.

It is not an unprimeable number, because it can be changed into a prime (29272727137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1477748 + ... + 1497425.

It is an arithmetic number, because the mean of its divisors is an integer number (7318928040).

Almost surely, 2^29272727147 is an apocalyptic number.

29272727147 is a deficient number, since it is larger than the sum of its proper divisors (2985013).

29272727147 is an equidigital number, since it uses as much as digits as its factorization.

29272727147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985012.

The product of its digits is 1382976, while the sum is 50.

The spelling of 29272727147 in words is "twenty-nine billion, two hundred seventy-two million, seven hundred twenty-seven thousand, one hundred forty-seven".