2771720073 has 16 divisors (see below), whose sum is σ = 4146912000. Its totient is φ = 1829516400.

The previous prime is 2771720059. The next prime is 2771720093. The reversal of 2771720073 is 3700271772.

It is not a de Polignac number, because 2771720073 - 2⁸ = 2771719817 is a prime.

It is a super-2 number, since 2×2771720073² = 15364864326142250658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2771720053) 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, 505473 + ... + 510926.

It is an arithmetic number, because the mean of its divisors is an integer number (259182000).

Almost surely, 2^2771720073 is an apocalyptic number.

It is an amenable number.

2771720073 is a deficient number, since it is larger than the sum of its proper divisors (1375191927).

2771720073 is a wasteful number, since it uses less digits than its factorization.

2771720073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016509 (or 1016503 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 36.

The square root of 2771720073 is about 52647.1278703786. The cubic root of 2771720073 is about 1404.6985119075.

The spelling of 2771720073 in words is "two billion, seven hundred seventy-one million, seven hundred twenty thousand, seventy-three".