7420380 has 48 divisors (see below), whose sum is σ = 22667904. Its totient is φ = 1798720.

The previous prime is 7420363. The next prime is 7420397. The reversal of 7420380 is 830247.

It is an interprime number because it is at equal distance from previous prime (7420363) and next prime (7420397).

It is a self number, because there is not a number n which added to its sum of digits gives 7420380.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4962 + ... + 6281.

It is an arithmetic number, because the mean of its divisors is an integer number (472248).

Almost surely, 2^7420380 is an apocalyptic number.

It is an amenable number.

7420380 is an abundant number, since it is smaller than the sum of its proper divisors (15247524).

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

7420380 is a wasteful number, since it uses less digits than its factorization.

7420380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11266 (or 11264 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7420380 is about 2724.0374446766. The cubic root of 7420380 is about 195.0482457875.

The spelling of 7420380 in words is "seven million, four hundred twenty thousand, three hundred eighty".