7421088 has 48 divisors (see below), whose sum is σ = 20333376. Its totient is φ = 2365440.

The previous prime is 7421083. The next prime is 7421093. The reversal of 7421088 is 8801247.

It is an interprime number because it is at equal distance from previous prime (7421083) and next prime (7421093).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (7421083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528 + ... + 3888.

It is an arithmetic number, because the mean of its divisors is an integer number (423612).

Almost surely, 2^7421088 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 7421088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10166688).

7421088 is an abundant number, since it is smaller than the sum of its proper divisors (12912288).

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

7421088 is a wasteful number, since it uses less digits than its factorization.

7421088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 7421088 is about 2724.1673957376. The cubic root of 7421088 is about 195.0544489634.

It can be divided in two parts, 742 and 1088, that added together give a triangular number (1830 = T₆₀).

The spelling of 7421088 in words is "seven million, four hundred twenty-one thousand, eighty-eight".