7421580 has 36 divisors (see below), whose sum is σ = 22512672. Its totient is φ = 1979040.

The previous prime is 7421569. The next prime is 7421587. The reversal of 7421580 is 851247.

It is a tau number, because it is divible by the number of its divisors (36).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (7421587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20436 + ... + 20795.

It is an arithmetic number, because the mean of its divisors is an integer number (625352).

Almost surely, 2^7421580 is an apocalyptic number.

It is an amenable number.

7421580 is an abundant number, since it is smaller than the sum of its proper divisors (15091092).

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

7421580 is a wasteful number, since it uses less digits than its factorization.

7421580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41246 (or 41241 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 7421580 is about 2724.2576970617. The cubic root of 7421580 is about 195.0587594125.

It can be divided in two parts, 7421 and 580, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 7421580 in words is "seven million, four hundred twenty-one thousand, five hundred eighty".