7920912 has 60 divisors (see below), whose sum is σ = 21774896. Its totient is φ = 2480640.

The previous prime is 7920893. The next prime is 7920949. The reversal of 7920912 is 2190297.

It is a self number, because there is not a number n which added to its sum of digits gives 7920912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13587 + ... + 14157.

Almost surely, 2^7920912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7920912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10887448).

7920912 is an abundant number, since it is smaller than the sum of its proper divisors (13853984).

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

7920912 is a wasteful number, since it uses less digits than its factorization.

7920912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 7920912 is about 2814.4114837742. The cubic root of 7920912 is about 199.3387494815.

The spelling of 7920912 in words is "seven million, nine hundred twenty thousand, nine hundred twelve".