72298485 has 24 divisors (see below), whose sum is σ = 143220480. Its totient is φ = 33050592.

The previous prime is 72298463. The next prime is 72298489. The reversal of 72298485 is 58489227.

It is not a de Polignac number, because 72298485 - 2¹¹ = 72296437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72298485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72298489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114445 + ... + 115074.

It is an arithmetic number, because the mean of its divisors is an integer number (5967520).

Almost surely, 2^72298485 is an apocalyptic number.

It is an amenable number.

72298485 is a deficient number, since it is larger than the sum of its proper divisors (70921995).

72298485 is a wasteful number, since it uses less digits than its factorization.

72298485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229537 (or 229534 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 72298485 is about 8502.8515804993. The cubic root of 72298485 is about 416.5908551849.

The spelling of 72298485 in words is "seventy-two million, two hundred ninety-eight thousand, four hundred eighty-five".