7421148 has 72 divisors (see below), whose sum is σ = 21912800. Its totient is φ = 2116800.

The previous prime is 7421143. The next prime is 7421173. The reversal of 7421148 is 8411247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421143) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12048 + ... + 12648.

Almost surely, 2^7421148 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 7421148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10956400).

7421148 is an abundant number, since it is smaller than the sum of its proper divisors (14491652).

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

7421148 is a wasteful number, since it uses less digits than its factorization.

7421148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 613 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 7421148 is about 2724.1784082545. The cubic root of 7421148 is about 195.0549746381.

Subtracting 7421148 from its reverse (8411247), we obtain a palindrome (990099).

It can be divided in two parts, 7421 and 148, that added together give a square (7569 = 87²).

The spelling of 7421148 in words is "seven million, four hundred twenty-one thousand, one hundred forty-eight".