72282735 has 24 divisors (see below), whose sum is σ = 143189280. Its totient is φ = 33043392.

The previous prime is 72282733. The next prime is 72282737. The reversal of 72282735 is 53728227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72282733) and next prime (72282737).

It is not a de Polignac number, because 72282735 - 2¹ = 72282733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72282735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72282733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114420 + ... + 115049.

It is an arithmetic number, because the mean of its divisors is an integer number (5966220).

Almost surely, 2^72282735 is an apocalyptic number.

72282735 is a deficient number, since it is larger than the sum of its proper divisors (70906545).

72282735 is a wasteful number, since it uses less digits than its factorization.

72282735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229487 (or 229484 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 72282735 is about 8501.9253701735. The cubic root of 72282735 is about 416.5606019807.

The spelling of 72282735 in words is "seventy-two million, two hundred eighty-two thousand, seven hundred thirty-five".