72285513 has 8 divisors (see below), whose sum is σ = 102050208. Its totient is φ = 45355584.

The previous prime is 72285497. The next prime is 72285539. The reversal of 72285513 is 31558227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72285513 - 2⁴ = 72285497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72285713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708631 + ... + 708732.

It is an arithmetic number, because the mean of its divisors is an integer number (12756276).

Almost surely, 2^72285513 is an apocalyptic number.

It is an amenable number.

72285513 is a deficient number, since it is larger than the sum of its proper divisors (29764695).

72285513 is a wasteful number, since it uses less digits than its factorization.

72285513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417383.

The product of its digits is 16800, while the sum is 33.

The square root of 72285513 is about 8502.0887433618. The cubic root of 72285513 is about 416.5659383889.

The spelling of 72285513 in words is "seventy-two million, two hundred eighty-five thousand, five hundred thirteen".