7140430 has 32 divisors (see below), whose sum is σ = 14152320. Its totient is φ = 2572320.

The previous prime is 7140403. The next prime is 7140433. The reversal of 7140430 is 340417.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7140398 and 7140407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140433) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15057 + ... + 15523.

It is an arithmetic number, because the mean of its divisors is an integer number (442260).

Almost surely, 2^7140430 is an apocalyptic number.

7140430 is a deficient number, since it is larger than the sum of its proper divisors (7011890).

7140430 is a wasteful number, since it uses less digits than its factorization.

7140430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 7140430 is about 2672.1583036939. The cubic root of 7140430 is about 192.5638625463.

Adding to 7140430 its reverse (340417), we get a palindrome (7480847).

The spelling of 7140430 in words is "seven million, one hundred forty thousand, four hundred thirty".