7147812930 has 32 divisors (see below), whose sum is σ = 17315083584. Its totient is φ = 1888268736.

The previous prime is 7147812887. The next prime is 7147812949. The reversal of 7147812930 is 392187417.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110157 + ... + 1116576.

It is an arithmetic number, because the mean of its divisors is an integer number (541096362).

Almost surely, 2^7147812930 is an apocalyptic number.

7147812930 is an abundant number, since it is smaller than the sum of its proper divisors (10167270654).

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

7147812930 is a wasteful number, since it uses less digits than its factorization.

7147812930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226850.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 7147812930 is about 84544.7392213141. The cubic root of 7147812930 is about 1926.3020756150.

The spelling of 7147812930 in words is "seven billion, one hundred forty-seven million, eight hundred twelve thousand, nine hundred thirty".