7243488 has 72 divisors (see below), whose sum is σ = 23547888. Its totient is φ = 2068992.

The previous prime is 7243487. The next prime is 7243517. The reversal of 7243488 is 8843427.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×7243488² = 104936236812288, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7243487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220 + ... + 3812.

It is an arithmetic number, because the mean of its divisors is an integer number (327054).

Almost surely, 2^7243488 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 7243488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11773944).

7243488 is an abundant number, since it is smaller than the sum of its proper divisors (16304400).

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

7243488 is a wasteful number, since it uses less digits than its factorization.

7243488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616 (or 3605 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 7243488 is about 2691.3728838643. The cubic root of 7243488 is about 193.4858672049.

The spelling of 7243488 in words is "seven million, two hundred forty-three thousand, four hundred eighty-eight".