7720456275 has 168 divisors, whose sum is σ = 16648750880. Its totient is φ = 3476805120.

The previous prime is 7720456193. The next prime is 7720456309. The reversal of 7720456275 is 5726540277.

It is not a de Polignac number, because 7720456275 - 2¹¹ = 7720454227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7720456275.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 9312561 + ... + 9313389.

Almost surely, 2^7720456275 is an apocalyptic number.

7720456275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7720456275 is an abundant number, since it is smaller than the sum of its proper divisors (8928294605).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7720456275 is an equidigital number, since it uses as much as digits as its factorization.

7720456275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The square root of 7720456275 is about 87866.1270058036. The cubic root of 7720456275 is about 1976.4279605269.

The spelling of 7720456275 in words is "seven billion, seven hundred twenty million, four hundred fifty-six thousand, two hundred seventy-five".