7720914736 has 20 divisors (see below), whose sum is σ = 14991319512. Its totient is φ = 3852187136.

The previous prime is 7720914697. The next prime is 7720914737. The reversal of 7720914736 is 6374190277.

It is a super-2 number, since 2×7720914736² (a number of 21 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (7720914737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509185 + ... + 524128.

Almost surely, 2^7720914736 is an apocalyptic number.

It is an amenable number.

7720914736 is a deficient number, since it is larger than the sum of its proper divisors (7270404776).

7720914736 is a wasteful number, since it uses less digits than its factorization.

7720914736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033788 (or 1033782 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 7720914736 is about 87868.7358279383. The cubic root of 7720914736 is about 1976.4670815828.

The spelling of 7720914736 in words is "seven billion, seven hundred twenty million, nine hundred fourteen thousand, seven hundred thirty-six".