7742127 has 8 divisors (see below), whose sum is σ = 10336000. Its totient is φ = 5154840.

The previous prime is 7742113. The next prime is 7742129. The reversal of 7742127 is 7212477.

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

It is not a de Polignac number, because 7742127 - 2⁷ = 7741999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7742094 and 7742103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7742129) 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 7 ways as a sum of consecutive naturals, for example, 2874 + ... + 4872.

It is an arithmetic number, because the mean of its divisors is an integer number (1292000).

Almost surely, 2^7742127 is an apocalyptic number.

7742127 is a deficient number, since it is larger than the sum of its proper divisors (2593873).

7742127 is a wasteful number, since it uses less digits than its factorization.

7742127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293.

The product of its digits is 5488, while the sum is 30.

The square root of 7742127 is about 2782.4677895710. The cubic root of 7742127 is about 197.8275459931.

The spelling of 7742127 in words is "seven million, seven hundred forty-two thousand, one hundred twenty-seven".