7742113 has 2 divisors, whose sum is σ = 7742114. Its totient is φ = 7742112.

The previous prime is 7742093. The next prime is 7742129. The reversal of 7742113 is 3112477.

7742113 = 1967² + 1968².

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3873024 + 3869089 = 1968^2 + 1967^2 .

It is a cyclic number.

It is not a de Polignac number, because 7742113 - 2¹⁷ = 7611041 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7742143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3871056 + 3871057.

It is an arithmetic number, because the mean of its divisors is an integer number (3871057).

Almost surely, 2^7742113 is an apocalyptic number.

7742113 is the 1968-th centered square number.

It is an amenable number.

7742113 is a deficient number, since it is larger than the sum of its proper divisors (1).

7742113 is an equidigital number, since it uses as much as digits as its factorization.

7742113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 25.

The square root of 7742113 is about 2782.4652738174. The cubic root of 7742113 is about 197.8274267499.

The spelling of 7742113 in words is "seven million, seven hundred forty-two thousand, one hundred thirteen".