2730078 has 32 divisors (see below), whose sum is σ = 6535200. Its totient is φ = 839808.

The previous prime is 2730071. The next prime is 2730109. The reversal of 2730078 is 8700372.

2730078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1243 + ... + 2646.

It is an arithmetic number, because the mean of its divisors is an integer number (204225).

2^2730078 is an apocalyptic number.

2730078 is an abundant number, since it is smaller than the sum of its proper divisors (3805122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2730078 is a wasteful number, since it uses less digits than its factorization.

2730078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3913 (or 3907 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2730078 is about 1652.2947678910. The cubic root of 2730078 is about 139.7628297356.

The spelling of 2730078 in words is "two million, seven hundred thirty thousand, seventy-eight".