72244135 has 8 divisors (see below), whose sum is σ = 91792656. Its totient is φ = 54395520.

The previous prime is 72244129. The next prime is 72244163. The reversal of 72244135 is 53144227.

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

It is not a de Polignac number, because 72244135 - 2⁵ = 72244103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424881 + ... + 425050.

It is an arithmetic number, because the mean of its divisors is an integer number (11474082).

Almost surely, 2^72244135 is an apocalyptic number.

72244135 is a deficient number, since it is larger than the sum of its proper divisors (19548521).

72244135 is a wasteful number, since it uses less digits than its factorization.

72244135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849953.

The product of its digits is 6720, while the sum is 28.

The square root of 72244135 is about 8499.6549929982. The cubic root of 72244135 is about 416.4864390322.

The spelling of 72244135 in words is "seventy-two million, two hundred forty-four thousand, one hundred thirty-five".