2667870 has 64 divisors (see below), whose sum is σ = 7318080. Its totient is φ = 691200.

The previous prime is 2667859. The next prime is 2667871. The reversal of 2667870 is 787662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10950 + ... + 11190.

It is an arithmetic number, because the mean of its divisors is an integer number (114345).

2^2667870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2667870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3659040).

2667870 is an abundant number, since it is smaller than the sum of its proper divisors (4650210).

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

2667870 is a wasteful number, since it uses less digits than its factorization.

2667870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 292 counting only the distinct ones).

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

The square root of 2667870 is about 1633.3615643819. The cubic root of 2667870 is about 138.6931103518.

It can be divided in two parts, 26 and 67870, that added together give a triangular number (67896 = T₃₆₈).

The spelling of 2667870 in words is "two million, six hundred sixty-seven thousand, eight hundred seventy".