7720848272 has 10 divisors (see below), whose sum is σ = 14959143558. Its totient is φ = 3860424128.

The previous prime is 7720848257. The next prime is 7720848307. The reversal of 7720848272 is 2728480277.

It can be written as a sum of positive squares in only one way, i.e., 4854744976 + 2866103296 = 69676^2 + 53536^2 .

It is a super-2 number, since 2×7720848272² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241276493 + ... + 241276524.

Almost surely, 2^7720848272 is an apocalyptic number.

It is an amenable number.

7720848272 is a deficient number, since it is larger than the sum of its proper divisors (7238295286).

7720848272 is a wasteful number, since it uses less digits than its factorization.

7720848272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482553025 (or 482553019 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 47.

The square root of 7720848272 is about 87868.3576266223. The cubic root of 7720848272 is about 1976.4614102218.

The spelling of 7720848272 in words is "seven billion, seven hundred twenty million, eight hundred forty-eight thousand, two hundred seventy-two".