2728302667 has 4 divisors (see below), whose sum is σ = 2728673136. Its totient is φ = 2727932200.

The previous prime is 2728302601. The next prime is 2728302673. The reversal of 2728302667 is 7662038272.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2728302667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2728302167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173959 + ... + 188992.

It is an arithmetic number, because the mean of its divisors is an integer number (682168284).

Almost surely, 2^2728302667 is an apocalyptic number.

2728302667 is a deficient number, since it is larger than the sum of its proper divisors (370469).

2728302667 is an equidigital number, since it uses as much as digits as its factorization.

2728302667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370468.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 2728302667 is about 52233.1567780466. The cubic root of 2728302667 is about 1397.3252787028.

The spelling of 2728302667 in words is "two billion, seven hundred twenty-eight million, three hundred two thousand, six hundred sixty-seven".