72285316 has 12 divisors (see below), whose sum is σ = 128101120. Its totient is φ = 35685000.

The previous prime is 72285307. The next prime is 72285319. The reversal of 72285316 is 61358227.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72285319) 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 3 ways as a sum of consecutive naturals, for example, 114060 + ... + 114691.

Almost surely, 2^72285316 is an apocalyptic number.

It is an amenable number.

72285316 is a deficient number, since it is larger than the sum of its proper divisors (55815804).

72285316 is a wasteful number, since it uses less digits than its factorization.

72285316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228834 (or 228832 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 72285316 is about 8502.0771579656. The cubic root of 72285316 is about 416.5655599656.

It can be divided in two parts, 7228 and 5316, that added together give a square (12544 = 112²).

The spelling of 72285316 in words is "seventy-two million, two hundred eighty-five thousand, three hundred sixteen".