7421024 has 24 divisors (see below), whose sum is σ = 15734880. Its totient is φ = 3424896.

The previous prime is 7421021. The next prime is 7421033. The reversal of 7421024 is 4201247.

It is a junction number, because it is equal to n+sod(n) for n = 7420987 and 7421005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8504 + ... + 9335.

It is an arithmetic number, because the mean of its divisors is an integer number (655620).

Almost surely, 2^7421024 is an apocalyptic number.

It is an amenable number.

7421024 is an abundant number, since it is smaller than the sum of its proper divisors (8313856).

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

7421024 is a wasteful number, since it uses less digits than its factorization.

7421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17862 (or 17854 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 7421024 is about 2724.1556490039. The cubic root of 7421024 is about 195.0538882405.

The spelling of 7421024 in words is "seven million, four hundred twenty-one thousand, twenty-four".