72361185 has 16 divisors (see below), whose sum is σ = 124684224. Its totient is φ = 35623872.

The previous prime is 72361181. The next prime is 72361193. The reversal of 72361185 is 58116327.

It is not a de Polignac number, because 72361185 - 2² = 72361181 is a prime.

It is a super-2 number, since 2×72361185² = 10472282189208450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72361181) 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, 185347 + ... + 185736.

It is an arithmetic number, because the mean of its divisors is an integer number (7792764).

Almost surely, 2^72361185 is an apocalyptic number.

It is an amenable number.

72361185 is a deficient number, since it is larger than the sum of its proper divisors (52323039).

72361185 is a wasteful number, since it uses less digits than its factorization.

72361185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371104.

The product of its digits is 10080, while the sum is 33.

The square root of 72361185 is about 8506.5377798491. The cubic root of 72361185 is about 416.7112482076.

The spelling of 72361185 in words is "seventy-two million, three hundred sixty-one thousand, one hundred eighty-five".