2680078 has 4 divisors (see below), whose sum is σ = 4020120. Its totient is φ = 1340038.

The previous prime is 2680039. The next prime is 2680079. The reversal of 2680078 is 8700862.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670018 + ... + 670021.

It is an arithmetic number, because the mean of its divisors is an integer number (1005030).

2^2680078 is an apocalyptic number.

2680078 is a deficient number, since it is larger than the sum of its proper divisors (1340042).

2680078 is a wasteful number, since it uses less digits than its factorization.

2680078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340041.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2680078 is about 1637.0943772428. The cubic root of 2680078 is about 138.9043387139.

The spelling of 2680078 in words is "two million, six hundred eighty thousand, seventy-eight".