7409220 has 192 divisors, whose sum is σ = 27095040. Its totient is φ = 1469952.

The previous prime is 7409191. The next prime is 7409249. The reversal of 7409220 is 229047.

It is an interprime number because it is at equal distance from previous prime (7409191) and next prime (7409249).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125551 + ... + 125609.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

Almost surely, 2^7409220 is an apocalyptic number.

7409220 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 7409220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13547520).

7409220 is an abundant number, since it is smaller than the sum of its proper divisors (19685820).

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

7409220 is a wasteful number, since it uses less digits than its factorization.

7409220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 7409220 is about 2721.9882439129. The cubic root of 7409220 is about 194.9504147428.

The spelling of 7409220 in words is "seven million, four hundred nine thousand, two hundred twenty".