7941220 has 48 divisors (see below), whose sum is σ = 19248768. Its totient is φ = 2695680.

The previous prime is 7941211. The next prime is 7941229. The reversal of 7941220 is 221497.

It is an interprime number because it is at equal distance from previous prime (7941211) and next prime (7941229).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7941229) 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, 18124 + ... + 18556.

It is an arithmetic number, because the mean of its divisors is an integer number (401016).

Almost surely, 2^7941220 is an apocalyptic number.

7941220 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 7941220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9624384).

7941220 is an abundant number, since it is smaller than the sum of its proper divisors (11307548).

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

7941220 is a wasteful number, since it uses less digits than its factorization.

7941220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 7941220 is about 2818.0170333055. The cubic root of 7941220 is about 199.5089620620.

The spelling of 7941220 in words is "seven million, nine hundred forty-one thousand, two hundred twenty".