288072636 has 12 divisors (see below), whose sum is σ = 672169512. Its totient is φ = 96024208.

The previous prime is 288072593. The next prime is 288072641. The reversal of 288072636 is 636270882.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×288072636² = 165971687223976992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12003015 + ... + 12003038.

It is an arithmetic number, because the mean of its divisors is an integer number (56014126).

Almost surely, 2^288072636 is an apocalyptic number.

It is an amenable number.

288072636 is an abundant number, since it is smaller than the sum of its proper divisors (384096876).

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

288072636 is a wasteful number, since it uses less digits than its factorization.

288072636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24006060 (or 24006058 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 288072636 is about 16972.7026722323. The cubic root of 288072636 is about 660.4409633501.

The spelling of 288072636 in words is "two hundred eighty-eight million, seventy-two thousand, six hundred thirty-six".