7245648 has 60 divisors (see below), whose sum is σ = 20607808. Its totient is φ = 2376000.

The previous prime is 7245619. The next prime is 7245671. The reversal of 7245648 is 8465427.

7245648 is a `hidden beast` number, since 7 + 2 + 4 + 5 + 648 = 666.

7245648 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 7⁵ + 2⁵ + 4¹⁰ + 5⁹ + 6² + 4¹¹ + 8⁵ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9273 + ... + 10023.

Almost surely, 2^7245648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7245648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10303904).

7245648 is an abundant number, since it is smaller than the sum of its proper divisors (13362160).

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

7245648 is a wasteful number, since it uses less digits than its factorization.

7245648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 823 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 7245648 is about 2691.7741361414. The cubic root of 7245648 is about 193.5050977164.

The spelling of 7245648 in words is "seven million, two hundred forty-five thousand, six hundred forty-eight".