7023840 has 48 divisors (see below), whose sum is σ = 22126608. Its totient is φ = 1872896.

The previous prime is 7023823. The next prime is 7023847. The reversal of 7023840 is 483207.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 7023840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7023847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6837 + ... + 7796.

It is an arithmetic number, because the mean of its divisors is an integer number (460971).

Almost surely, 2^7023840 is an apocalyptic number.

It is an amenable number.

7023840 is an abundant number, since it is smaller than the sum of its proper divisors (15102768).

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

7023840 is a wasteful number, since it uses less digits than its factorization.

7023840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14651 (or 14643 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7023840 is about 2650.2528181289. The cubic root of 7023840 is about 191.5100354459.

The spelling of 7023840 in words is "seven million, twenty-three thousand, eight hundred forty".