2721730723127 has 16 divisors (see below), whose sum is σ = 2974821256512. Its totient is φ = 2474945034240.

The previous prime is 2721730723123. The next prime is 2721730723133. The reversal of 2721730723127 is 7213270371272.

It is a cyclic number.

It is not a de Polignac number, because 2721730723127 - 2² = 2721730723123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721730723123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88208 + ... + 2334789.

It is an arithmetic number, because the mean of its divisors is an integer number (185926328532).

Almost surely, 2^{2721730723127} is an apocalyptic number.

2721730723127 is a deficient number, since it is larger than the sum of its proper divisors (253090533385).

2721730723127 is a wasteful number, since it uses less digits than its factorization.

2721730723127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424298.

The product of its (nonzero) digits is 345744, while the sum is 44.

The spelling of 2721730723127 in words is "two trillion, seven hundred twenty-one billion, seven hundred thirty million, seven hundred twenty-three thousand, one hundred twenty-seven".