7481420 has 24 divisors (see below), whose sum is σ = 16254000. Its totient is φ = 2889152.

The previous prime is 7481407. The next prime is 7481491. The reversal of 7481420 is 241847.

It is a self number, because there is not a number n which added to its sum of digits gives 7481420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5870 + ... + 7029.

It is an arithmetic number, because the mean of its divisors is an integer number (677250).

Almost surely, 2^7481420 is an apocalyptic number.

It is an amenable number.

7481420 is an abundant number, since it is smaller than the sum of its proper divisors (8772580).

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

7481420 is a wasteful number, since it uses less digits than its factorization.

7481420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12937 (or 12935 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 7481420 is about 2735.2184556265. The cubic root of 7481420 is about 195.5816078602.

The spelling of 7481420 in words is "seven million, four hundred eighty-one thousand, four hundred twenty".