7272450 has 48 divisors (see below), whose sum is σ = 20043360. Its totient is φ = 1938960.

The previous prime is 7272449. The next prime is 7272491. The reversal of 7272450 is 542727.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1344 + ... + 4043.

It is an arithmetic number, because the mean of its divisors is an integer number (417570).

Almost surely, 2^7272450 is an apocalyptic number.

7272450 is an abundant number, since it is smaller than the sum of its proper divisors (12770910).

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

7272450 is a wasteful number, since it uses less digits than its factorization.

7272450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408 (or 5397 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7272450 is about 2696.7480416235. The cubic root of 7272450 is about 193.7433990120.

The spelling of 7272450 in words is "seven million, two hundred seventy-two thousand, four hundred fifty".