72284135 has 16 divisors (see below), whose sum is σ = 108145152. Its totient is φ = 45060000.

The previous prime is 72284129. The next prime is 72284197. The reversal of 72284135 is 53148227.

It is not a de Polignac number, because 72284135 - 2¹⁴ = 72267751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93491 + ... + 94260.

It is an arithmetic number, because the mean of its divisors is an integer number (6759072).

Almost surely, 2^72284135 is an apocalyptic number.

72284135 is a deficient number, since it is larger than the sum of its proper divisors (35861017).

72284135 is a wasteful number, since it uses less digits than its factorization.

72284135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187774.

The product of its digits is 13440, while the sum is 32.

The square root of 72284135 is about 8502.0077040661. The cubic root of 72284135 is about 416.5632913324.

The spelling of 72284135 in words is "seventy-two million, two hundred eighty-four thousand, one hundred thirty-five".