2673440 has 144 divisors (see below), whose sum is σ = 8273664. Its totient is φ = 806400.

The previous prime is 2673431. The next prime is 2673449. The reversal of 2673440 is 443762.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2673431) and next prime (2673449).

It is not an unprimeable number, because it can be changed into a prime (2673449) 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, 86225 + ... + 86255.

It is an arithmetic number, because the mean of its divisors is an integer number (57456).

2^2673440 is an apocalyptic number.

2673440 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 2673440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4136832).

2673440 is an abundant number, since it is smaller than the sum of its proper divisors (5600224).

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

2673440 is a wasteful number, since it uses less digits than its factorization.

2673440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 2673440 is about 1635.0657479135. The cubic root of 2673440 is about 138.7895647795.

It can be divided in two parts, 2673 and 440, that added together give a palindrome (3113).

The spelling of 2673440 in words is "two million, six hundred seventy-three thousand, four hundred forty".