7947912 has 32 divisors (see below), whose sum is σ = 22708800. Its totient is φ = 2270784.

The previous prime is 7947899. The next prime is 7947917. The reversal of 7947912 is 2197497.

It is a super-4 number, since 4×7947912⁴ (a number of 29 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7947917) 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, 23487 + ... + 23822.

It is an arithmetic number, because the mean of its divisors is an integer number (709650).

Almost surely, 2^7947912 is an apocalyptic number.

It is an amenable number.

7947912 is an abundant number, since it is smaller than the sum of its proper divisors (14760888).

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

7947912 is a wasteful number, since it uses less digits than its factorization.

7947912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47325 (or 47321 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 7947912 is about 2819.2041430163. The cubic root of 7947912 is about 199.5649878414.

The spelling of 7947912 in words is "seven million, nine hundred forty-seven thousand, nine hundred twelve".