7130657320 has 32 divisors (see below), whose sum is σ = 16417098720. Its totient is φ = 2785930560.

The previous prime is 7130657309. The next prime is 7130657321. The reversal of 7130657320 is 237560317.

It is not an unprimeable number, because it can be changed into a prime (7130657321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2071146 + ... + 2074585.

It is an arithmetic number, because the mean of its divisors is an integer number (513034335).

Almost surely, 2^7130657320 is an apocalyptic number.

It is an amenable number.

7130657320 is an abundant number, since it is smaller than the sum of its proper divisors (9286441400).

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

7130657320 is a wasteful number, since it uses less digits than its factorization.

7130657320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145785 (or 4145781 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 7130657320 is about 84443.2195028115. The cubic root of 7130657320 is about 1924.7597221884.

The spelling of 7130657320 in words is "seven billion, one hundred thirty million, six hundred fifty-seven thousand, three hundred twenty".