7024640 has 104 divisors (see below), whose sum is σ = 19658400. Its totient is φ = 2408448.

The previous prime is 7024627. The next prime is 7024691. The reversal of 7024640 is 464207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003517 + ... + 1003523.

Almost surely, 2^7024640 is an apocalyptic number.

7024640 is a gapful number since it is divisible by the number (70) 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 7024640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9829200).

7024640 is an abundant number, since it is smaller than the sum of its proper divisors (12633760).

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

7024640 is an frugal number, since it uses more digits than its factorization.

7024640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 7024640 is about 2650.4037428286. The cubic root of 7024640 is about 191.5173060278.

Adding to 7024640 its reverse (464207), we get a palindrome (7488847).

The spelling of 7024640 in words is "seven million, twenty-four thousand, six hundred forty".