72303227 has 8 divisors (see below), whose sum is σ = 80586000. Its totient is φ = 64468224.

The previous prime is 72303221. The next prime is 72303229. The reversal of 72303227 is 72230327.

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

It is a cyclic number.

It is not a de Polignac number, because 72303227 - 2⁴ = 72303211 is a prime.

It is a super-2 number, since 2×72303227² = 10455513269227058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72303196 and 72303205.

It is not an unprimeable number, because it can be changed into a prime (72303221) 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, 111602 + ... + 112247.

It is an arithmetic number, because the mean of its divisors is an integer number (10073250).

Almost surely, 2^72303227 is an apocalyptic number.

72303227 is a deficient number, since it is larger than the sum of its proper divisors (8282773).

72303227 is a wasteful number, since it uses less digits than its factorization.

72303227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223885.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 72303227 is about 8503.1304235558. The cubic root of 72303227 is about 416.5999629398.

Subtracting from 72303227 its reverse (72230327), we obtain a square (72900 = 270²).

The spelling of 72303227 in words is "seventy-two million, three hundred three thousand, two hundred twenty-seven".