72303266 has 8 divisors (see below), whose sum is σ = 123948480. Its totient is φ = 30987108.

The previous prime is 72303263. The next prime is 72303269. The reversal of 72303266 is 66230327.

It is an interprime number because it is at equal distance from previous prime (72303263) and next prime (72303269).

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

It is not an unprimeable number, because it can be changed into a prime (72303263) 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 3 ways as a sum of consecutive naturals, for example, 2582246 + ... + 2582273.

It is an arithmetic number, because the mean of its divisors is an integer number (15493560).

Almost surely, 2^72303266 is an apocalyptic number.

72303266 is a deficient number, since it is larger than the sum of its proper divisors (51645214).

72303266 is a wasteful number, since it uses less digits than its factorization.

72303266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164528.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 72303266 is about 8503.1327168285. The cubic root of 72303266 is about 416.6000378438.

The spelling of 72303266 in words is "seventy-two million, three hundred three thousand, two hundred sixty-six".