7420764539 has 2 divisors, whose sum is σ = 7420764540. Its totient is φ = 7420764538.

The previous prime is 7420764523. The next prime is 7420764541. The reversal of 7420764539 is 9354670247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7420764539 - 2⁴ = 7420764523 is a prime.

Together with 7420764541, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7420764493 and 7420764502.

It is not a weakly prime, because it can be changed into another prime (7420764599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710382269 + 3710382270.

It is an arithmetic number, because the mean of its divisors is an integer number (3710382270).

Almost surely, 2^7420764539 is an apocalyptic number.

7420764539 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420764539 is an equidigital number, since it uses as much as digits as its factorization.

7420764539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 7420764539 is about 86143.8595548168. The cubic root of 7420764539 is about 1950.5161499329.

The spelling of 7420764539 in words is "seven billion, four hundred twenty million, seven hundred sixty-four thousand, five hundred thirty-nine".