7325220 has 96 divisors (see below), whose sum is σ = 23804928. Its totient is φ = 1648512.

The previous prime is 7325209. The next prime is 7325231. The reversal of 7325220 is 225237.

7325220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7325209) and next prime (7325231).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44859 + ... + 45021.

It is an arithmetic number, because the mean of its divisors is an integer number (247968).

Almost surely, 2^7325220 is an apocalyptic number.

7325220 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 7325220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11902464).

7325220 is an abundant number, since it is smaller than the sum of its proper divisors (16479708).

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

7325220 is a wasteful number, since it uses less digits than its factorization.

7325220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 7325220 is about 2706.5143635311. The cubic root of 7325220 is about 194.2108806171.

The spelling of 7325220 in words is "seven million, three hundred twenty-five thousand, two hundred twenty".