2730278733 has 32 divisors (see below), whose sum is σ = 4675270656. Its totient is φ = 1377528768.

The previous prime is 2730278699. The next prime is 2730278737. The reversal of 2730278733 is 3378720372.

It is not a de Polignac number, because 2730278733 - 2¹⁷ = 2730147661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730278737) 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 31 ways as a sum of consecutive naturals, for example, 211135 + ... + 223692.

It is an arithmetic number, because the mean of its divisors is an integer number (146102208).

Almost surely, 2^2730278733 is an apocalyptic number.

2730278733 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2730278733 is a deficient number, since it is larger than the sum of its proper divisors (1944991923).

2730278733 is a wasteful number, since it uses less digits than its factorization.

2730278733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434873.

The product of its (nonzero) digits is 296352, while the sum is 42.

The square root of 2730278733 is about 52252.0691743399. The cubic root of 2730278733 is about 1397.6625507417.

The spelling of 2730278733 in words is "two billion, seven hundred thirty million, two hundred seventy-eight thousand, seven hundred thirty-three".