2670780 has 48 divisors (see below), whose sum is σ = 8547840. Its totient is φ = 610368.

The previous prime is 2670769. The next prime is 2670791. The reversal of 2670780 is 870762.

It is an interprime number because it is at equal distance from previous prime (2670769) and next prime (2670791).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2760 + ... + 3599.

It is an arithmetic number, because the mean of its divisors is an integer number (178080).

2^2670780 is an apocalyptic number.

2670780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2670780 is an abundant number, since it is smaller than the sum of its proper divisors (5877060).

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

2670780 is a wasteful number, since it uses less digits than its factorization.

2670780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378 (or 6376 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 2670780 is about 1634.2521225319. The cubic root of 2670780 is about 138.7435188921.

The spelling of 2670780 in words is "two million, six hundred seventy thousand, seven hundred eighty".