2670678 has 48 divisors (see below), whose sum is σ = 6309360. Its totient is φ = 837216.

The previous prime is 2670677. The next prime is 2670709. The reversal of 2670678 is 8760762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2670673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19426 + ... + 19562.

It is an arithmetic number, because the mean of its divisors is an integer number (131445).

2^2670678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2670678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3154680).

2670678 is an abundant number, since it is smaller than the sum of its proper divisors (3638682).

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

2670678 is a wasteful number, since it uses less digits than its factorization.

2670678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 2670678 is about 1634.2209152988. The cubic root of 2670678 is about 138.7417526142.

The spelling of 2670678 in words is "two million, six hundred seventy thousand, six hundred seventy-eight".