7144430 has 8 divisors (see below), whose sum is σ = 12859992. Its totient is φ = 2857768.

The previous prime is 7144429. The next prime is 7144433. The reversal of 7144430 is 344417.

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

It is a junction number, because it is equal to n+sod(n) for n = 7144396 and 7144405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144433) 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 3 ways as a sum of consecutive naturals, for example, 357212 + ... + 357231.

It is an arithmetic number, because the mean of its divisors is an integer number (1607499).

Almost surely, 2^7144430 is an apocalyptic number.

7144430 is a deficient number, since it is larger than the sum of its proper divisors (5715562).

7144430 is a wasteful number, since it uses less digits than its factorization.

7144430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714450.

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

The square root of 7144430 is about 2672.9066575547. The cubic root of 7144430 is about 192.5998133068.

Adding to 7144430 its reverse (344417), we get a palindrome (7488847).

The spelling of 7144430 in words is "seven million, one hundred forty-four thousand, four hundred thirty".