2673840 has 80 divisors (see below), whose sum is σ = 8936928. Its totient is φ = 657408.

The previous prime is 2673793. The next prime is 2673857. The reversal of 2673840 is 483762.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a junction number, because it is equal to n+sod(n) for n = 2673798 and 2673807.

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, 2692 + ... + 3548.

2^2673840 is an apocalyptic number.

2673840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2673840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4468464).

2673840 is an abundant number, since it is smaller than the sum of its proper divisors (6263088).

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

2673840 is a wasteful number, since it uses less digits than its factorization.

2673840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2673840 is about 1635.1880625787. The cubic root of 2673840 is about 138.7964863310.

The spelling of 2673840 in words is "two million, six hundred seventy-three thousand, eight hundred forty".