7142722 has 8 divisors (see below), whose sum is σ = 10753596. Its totient is φ = 3558192.

The previous prime is 7142713. The next prime is 7142743. The reversal of 7142722 is 2272417.

It can be written as a sum of positive squares in 2 ways, for example, as 7027801 + 114921 = 2651^2 + 339^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 5893 + ... + 7000.

Almost surely, 2^7142722 is an apocalyptic number.

7142722 is a deficient number, since it is larger than the sum of its proper divisors (3610874).

7142722 is a wasteful number, since it uses less digits than its factorization.

7142722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13172.

The product of its digits is 1568, while the sum is 25.

The square root of 7142722 is about 2672.5871360912. The cubic root of 7142722 is about 192.5844639741.

The spelling of 7142722 in words is "seven million, one hundred forty-two thousand, seven hundred twenty-two".