2678736 has 20 divisors (see below), whose sum is σ = 6920192. Its totient is φ = 892896.

The previous prime is 2678729. The next prime is 2678737. The reversal of 2678736 is 6378762.

It is a junction number, because it is equal to n+sod(n) for n = 2678694 and 2678703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678737) 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, 27856 + ... + 27951.

2^2678736 is an apocalyptic number.

It is an amenable number.

2678736 is an abundant number, since it is smaller than the sum of its proper divisors (4241456).

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

2678736 is a wasteful number, since it uses less digits than its factorization.

2678736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55818 (or 55812 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 2678736 is about 1636.6844533996. The cubic root of 2678736 is about 138.8811502414.

The spelling of 2678736 in words is "two million, six hundred seventy-eight thousand, seven hundred thirty-six".