7140024 has 48 divisors (see below), whose sum is σ = 19510920. Its totient is φ = 2358720.

The previous prime is 7140011. The next prime is 7140031. The reversal of 7140024 is 4200417.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 7139979 and 7140006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9054 + ... + 9810.

Almost surely, 2^7140024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7140024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9755460).

7140024 is an abundant number, since it is smaller than the sum of its proper divisors (12370896).

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

7140024 is a wasteful number, since it uses less digits than its factorization.

7140024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 7140024 is about 2672.0823340608. The cubic root of 7140024 is about 192.5602127937.

The spelling of 7140024 in words is "seven million, one hundred forty thousand, twenty-four".