2730820763 has 8 divisors (see below), whose sum is σ = 2985517056. Its totient is φ = 2477197800.

The previous prime is 2730820739. The next prime is 2730820777. The reversal of 2730820763 is 3670280372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2730820763 - 2²⁰ = 2729772187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2730820793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263003 + ... + 273188.

It is an arithmetic number, because the mean of its divisors is an integer number (373189632).

Almost surely, 2^2730820763 is an apocalyptic number.

2730820763 is a deficient number, since it is larger than the sum of its proper divisors (254696293).

2730820763 is a wasteful number, since it uses less digits than its factorization.

2730820763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536665.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 2730820763 is about 52257.2556014952. The cubic root of 2730820763 is about 1397.7550351824.

The spelling of 2730820763 in words is "two billion, seven hundred thirty million, eight hundred twenty thousand, seven hundred sixty-three".