72453282 has 32 divisors (see below), whose sum is σ = 158457600. Its totient is φ = 21903120.

The previous prime is 72453247. The next prime is 72453287. The reversal of 72453282 is 28235427.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (72453287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33469 + ... + 35567.

It is an arithmetic number, because the mean of its divisors is an integer number (4951800).

Almost surely, 2^72453282 is an apocalyptic number.

72453282 is an abundant number, since it is smaller than the sum of its proper divisors (86004318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72453282 is a wasteful number, since it uses less digits than its factorization.

72453282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638.

The product of its digits is 26880, while the sum is 33.

The square root of 72453282 is about 8511.9493654509. The cubic root of 72453282 is about 416.8879616654.

It can be divided in two parts, 72 and 453282, that added together give a palindrome (453354).

The spelling of 72453282 in words is "seventy-two million, four hundred fifty-three thousand, two hundred eighty-two".