7406320 has 40 divisors (see below), whose sum is σ = 17628336. Its totient is φ = 2892288.

The previous prime is 7406309. The next prime is 7406323. The reversal of 7406320 is 236047.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 7406291 and 7406300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7406323) 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, 2364 + ... + 4516.

Almost surely, 2^7406320 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 7406320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8814168).

7406320 is an abundant number, since it is smaller than the sum of its proper divisors (10222016).

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

7406320 is a wasteful number, since it uses less digits than its factorization.

7406320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209 (or 2203 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 7406320 is about 2721.4554929302. The cubic root of 7406320 is about 194.9249766184.

The spelling of 7406320 in words is "seven million, four hundred six thousand, three hundred twenty".