7140489 has 8 divisors (see below), whose sum is σ = 9574560. Its totient is φ = 4733376.

The previous prime is 7140487. The next prime is 7140499. The reversal of 7140489 is 9840417.

7140489 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7140489 - 2¹ = 7140487 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7140487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6112 + ... + 7185.

It is an arithmetic number, because the mean of its divisors is an integer number (1196820).

Almost surely, 2^7140489 is an apocalyptic number.

It is an amenable number.

7140489 is a deficient number, since it is larger than the sum of its proper divisors (2434071).

7140489 is a wasteful number, since it uses less digits than its factorization.

7140489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13479.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 7140489 is about 2672.1693434362. The cubic root of 7140489 is about 192.5643929176.

The spelling of 7140489 in words is "seven million, one hundred forty thousand, four hundred eighty-nine".