7420764577 has 2 divisors, whose sum is σ = 7420764578. Its totient is φ = 7420764576.

The previous prime is 7420764541. The next prime is 7420764599. The reversal of 7420764577 is 7754670247.

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., 7003011856 + 417752721 = 83684^2 + 20439^2 .

It is a cyclic number.

It is not a de Polignac number, because 7420764577 - 2¹¹ = 7420762529 is a prime.

It is a super-3 number, since 3×7420764577³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7420764577.

It is not a weakly prime, because it can be changed into another prime (7420764077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710382288 + 3710382289.

It is an arithmetic number, because the mean of its divisors is an integer number (3710382289).

Almost surely, 2^7420764577 is an apocalyptic number.

It is an amenable number.

7420764577 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420764577 is an equidigital number, since it uses as much as digits as its factorization.

7420764577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304960, while the sum is 49.

The square root of 7420764577 is about 86143.8597753781. The cubic root of 7420764577 is about 1950.5161532623.

The spelling of 7420764577 in words is "seven billion, four hundred twenty million, seven hundred sixty-four thousand, five hundred seventy-seven".