7142769 has 16 divisors (see below), whose sum is σ = 10664640. Its totient is φ = 4724640.

The previous prime is 7142749. The next prime is 7142783. The reversal of 7142769 is 9672417.

It is a happy number.

It is not a de Polignac number, because 7142769 - 2¹² = 7138673 is a prime.

It is a super-2 number, since 2×7142769² = 102038297974722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7142749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2734 + ... + 4664.

It is an arithmetic number, because the mean of its divisors is an integer number (666540).

Almost surely, 2^7142769 is an apocalyptic number.

It is an amenable number.

7142769 is a deficient number, since it is larger than the sum of its proper divisors (3521871).

7142769 is a wasteful number, since it uses less digits than its factorization.

7142769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077 (or 2071 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 7142769 is about 2672.5959290547. The cubic root of 7142769 is about 192.5848863831.

It can be divided in two parts, 714 and 2769, that multiplied together give a triangular number (1977066 = T₁₉₈₈).

The spelling of 7142769 in words is "seven million, one hundred forty-two thousand, seven hundred sixty-nine".