7272003 has 8 divisors (see below), whose sum is σ = 10206400. Its totient is φ = 4592808.

The previous prime is 7271989. The next prime is 7272007. The reversal of 7272003 is 3002727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7272003 - 2⁴ = 7271987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7272007) 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, 63733 + ... + 63846.

It is an arithmetic number, because the mean of its divisors is an integer number (1275800).

Almost surely, 2^7272003 is an apocalyptic number.

7272003 is a deficient number, since it is larger than the sum of its proper divisors (2934397).

7272003 is a wasteful number, since it uses less digits than its factorization.

7272003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127601.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 7272003 is about 2696.6651627519. The cubic root of 7272003 is about 193.7394294615.

The spelling of 7272003 in words is "seven million, two hundred seventy-two thousand, three".