7142270 has 8 divisors (see below), whose sum is σ = 12856104. Its totient is φ = 2856904.

The previous prime is 7142269. The next prime is 7142293. The reversal of 7142270 is 722417.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357104 + ... + 357123.

It is an arithmetic number, because the mean of its divisors is an integer number (1607013).

Almost surely, 2^7142270 is an apocalyptic number.

7142270 is a deficient number, since it is larger than the sum of its proper divisors (5713834).

7142270 is a wasteful number, since it uses less digits than its factorization.

7142270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714234.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 7142270 is about 2672.5025724964. The cubic root of 7142270 is about 192.5804015632.

Adding to 7142270 its reverse (722417), we get a palindrome (7864687).

The spelling of 7142270 in words is "seven million, one hundred forty-two thousand, two hundred seventy".