7420906771 has 2 divisors, whose sum is σ = 7420906772. Its totient is φ = 7420906770.

The previous prime is 7420906769. The next prime is 7420906781. The reversal of 7420906771 is 1776090247.

7420906771 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7420906771 - 2¹ = 7420906769 is a prime.

Together with 7420906769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7420906781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710453385 + 3710453386.

It is an arithmetic number, because the mean of its divisors is an integer number (3710453386).

Almost surely, 2^7420906771 is an apocalyptic number.

7420906771 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420906771 is an equidigital number, since it uses as much as digits as its factorization.

7420906771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 7420906771 is about 86144.6851001268. The cubic root of 7420906771 is about 1950.5286115438.

The spelling of 7420906771 in words is "seven billion, four hundred twenty million, nine hundred six thousand, seven hundred seventy-one".