7542354761 has 2 divisors, whose sum is σ = 7542354762. Its totient is φ = 7542354760.

The previous prime is 7542354733. The next prime is 7542354769. The reversal of 7542354761 is 1674532457.

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., 4481499136 + 3060855625 = 66944^2 + 55325^2 .

It is a cyclic number.

It is not a de Polignac number, because 7542354761 - 2⁶ = 7542354697 is a prime.

It is not a weakly prime, because it can be changed into another prime (7542354769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3771177380 + 3771177381.

It is an arithmetic number, because the mean of its divisors is an integer number (3771177381).

Almost surely, 2^7542354761 is an apocalyptic number.

It is an amenable number.

7542354761 is a deficient number, since it is larger than the sum of its proper divisors (1).

7542354761 is an equidigital number, since it uses as much as digits as its factorization.

7542354761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 44.

The square root of 7542354761 is about 86846.7314353281. The cubic root of 7542354761 is about 1961.1116456148. Note that the first 3 decimals are identical.

The spelling of 7542354761 in words is "seven billion, five hundred forty-two million, three hundred fifty-four thousand, seven hundred sixty-one".