7894320 has 160 divisors (see below), whose sum is σ = 28950528. Its totient is φ = 1741824.

The previous prime is 7894303. The next prime is 7894321. The reversal of 7894320 is 234987.

It is not an unprimeable number, because it can be changed into a prime (7894321) 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 31 ways as a sum of consecutive naturals, for example, 62097 + ... + 62223.

Almost surely, 2^7894320 is an apocalyptic number.

7894320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7894320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14475264).

7894320 is an abundant number, since it is smaller than the sum of its proper divisors (21056208).

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

7894320 is a wasteful number, since it uses less digits than its factorization.

7894320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 7894320 is about 2809.6832561696. The cubic root of 7894320 is about 199.1154267521.

The spelling of 7894320 in words is "seven million, eight hundred ninety-four thousand, three hundred twenty".