7272448 has 48 divisors (see below), whose sum is σ = 15036840. Its totient is φ = 3514368.

The previous prime is 7272437. The next prime is 7272449. The reversal of 7272448 is 8442727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272449) 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, 108511 + ... + 108577.

Almost surely, 2^7272448 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 7272448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7518420).

7272448 is an abundant number, since it is smaller than the sum of its proper divisors (7764392).

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

7272448 is an equidigital number, since it uses as much as digits as its factorization.

7272448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 122 counting only the distinct ones).

The product of its digits is 25088, while the sum is 34.

The square root of 7272448 is about 2696.7476708064. The cubic root of 7272448 is about 193.7433812515.

The spelling of 7272448 in words is "seven million, two hundred seventy-two thousand, four hundred forty-eight".