7912320 has 128 divisors (see below), whose sum is σ = 27246240. Its totient is φ = 1941504.

The previous prime is 7912319. The next prime is 7912321. The reversal of 7912320 is 232197.

It is an interprime number because it is at equal distance from previous prime (7912319) and next prime (7912321).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7912321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24802 + ... + 25118.

Almost surely, 2^7912320 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 7912320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13623120).

7912320 is an abundant number, since it is smaller than the sum of its proper divisors (19333920).

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

7912320 is a wasteful number, since it uses less digits than its factorization.

7912320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 7912320 is about 2812.8846403648. The cubic root of 7912320 is about 199.2666475912.

The spelling of 7912320 in words is "seven million, nine hundred twelve thousand, three hundred twenty".