72303283 has 8 divisors (see below), whose sum is σ = 81250848. Its totient is φ = 63839424.

The previous prime is 72303281. The next prime is 72303307. The reversal of 72303283 is 38230327.

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 72303283 - 2¹ = 72303281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72303281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120610 + ... + 121207.

It is an arithmetic number, because the mean of its divisors is an integer number (10156356).

Almost surely, 2^72303283 is an apocalyptic number.

72303283 is a deficient number, since it is larger than the sum of its proper divisors (8947565).

72303283 is a wasteful number, since it uses less digits than its factorization.

72303283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241853.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 72303283 is about 8503.1337164601. The cubic root of 72303283 is about 416.6000704942.

The spelling of 72303283 in words is "seventy-two million, three hundred three thousand, two hundred eighty-three".