7720474707 has 48 divisors (see below), whose sum is σ = 12921068160. Its totient is φ = 4390214400.

The previous prime is 7720474703. The next prime is 7720474711. The reversal of 7720474707 is 7074740277.

It is an interprime number because it is at equal distance from previous prime (7720474703) and next prime (7720474711).

It is not a de Polignac number, because 7720474707 - 2² = 7720474703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7720474703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 550144 + ... + 564002.

It is an arithmetic number, because the mean of its divisors is an integer number (269188920).

Almost surely, 2^7720474707 is an apocalyptic number.

7720474707 is a deficient number, since it is larger than the sum of its proper divisors (5200593453).

7720474707 is a wasteful number, since it uses less digits than its factorization.

7720474707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14224 (or 14221 counting only the distinct ones).

The product of its (nonzero) digits is 537824, while the sum is 45.

The square root of 7720474707 is about 87866.2318925763. The cubic root of 7720474707 is about 1976.4295333826.

The spelling of 7720474707 in words is "seven billion, seven hundred twenty million, four hundred seventy-four thousand, seven hundred seven".