7542347117 has 2 divisors, whose sum is σ = 7542347118. Its totient is φ = 7542347116.

The previous prime is 7542347093. The next prime is 7542347119. The reversal of 7542347117 is 7117432457.

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., 6473972521 + 1068374596 = 80461^2 + 32686^2 .

It is a cyclic number.

It is not a de Polignac number, because 7542347117 - 2⁶ = 7542347053 is a prime.

Together with 7542347119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7542347119) by changing a digit.

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 as a sum of consecutive naturals, namely, 3771173558 + 3771173559.

It is an arithmetic number, because the mean of its divisors is an integer number (3771173559).

Almost surely, 2^7542347117 is an apocalyptic number.

It is an amenable number.

7542347117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7542347117 is an equidigital number, since it uses as much as digits as its factorization.

7542347117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164640, while the sum is 41.

The square root of 7542347117 is about 86846.6874267522. The cubic root of 7542347117 is about 1961.1109831010.

The spelling of 7542347117 in words is "seven billion, five hundred forty-two million, three hundred forty-seven thousand, one hundred seventeen".