72186941 has 8 divisors (see below), whose sum is σ = 74937600. Its totient is φ = 69462720.

The previous prime is 72186929. The next prime is 72186967. The reversal of 72186941 is 14968127.

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

It is a cyclic number.

It is not a de Polignac number, because 72186941 - 2¹⁴ = 72170557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72186895 and 72186904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72186911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956 + ... + 12053.

It is an arithmetic number, because the mean of its divisors is an integer number (9367200).

Almost surely, 2^72186941 is an apocalyptic number.

It is an amenable number.

72186941 is a deficient number, since it is larger than the sum of its proper divisors (2750659).

72186941 is a wasteful number, since it uses less digits than its factorization.

72186941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13219.

The product of its digits is 24192, while the sum is 38.

The square root of 72186941 is about 8496.2898373349. The cubic root of 72186941 is about 416.3765024761.

The spelling of 72186941 in words is "seventy-two million, one hundred eighty-six thousand, nine hundred forty-one".