72246135 has 16 divisors (see below), whose sum is σ = 124485984. Its totient is φ = 35567232.

The previous prime is 72246131. The next prime is 72246173. The reversal of 72246135 is 53164227.

It is not a de Polignac number, because 72246135 - 2² = 72246131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72246131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185052 + ... + 185441.

It is an arithmetic number, because the mean of its divisors is an integer number (7780374).

Almost surely, 2^72246135 is an apocalyptic number.

72246135 is a deficient number, since it is larger than the sum of its proper divisors (52239849).

72246135 is a wasteful number, since it uses less digits than its factorization.

72246135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370514.

The product of its digits is 10080, while the sum is 30.

The square root of 72246135 is about 8499.7726440182. The cubic root of 72246135 is about 416.4902823209.

The spelling of 72246135 in words is "seventy-two million, two hundred forty-six thousand, one hundred thirty-five".