72196841 has 8 divisors (see below), whose sum is σ = 78071040. Its totient is φ = 66503488.

The previous prime is 72196837. The next prime is 72196843. The reversal of 72196841 is 14869127.

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 72196841 - 2² = 72196837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72196795 and 72196804.

It is not an unprimeable number, because it can be changed into a prime (72196843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44381 + ... + 45978.

It is an arithmetic number, because the mean of its divisors is an integer number (9758880).

Almost surely, 2^72196841 is an apocalyptic number.

It is an amenable number.

72196841 is a deficient number, since it is larger than the sum of its proper divisors (5874199).

72196841 is a wasteful number, since it uses less digits than its factorization.

72196841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90423.

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

The square root of 72196841 is about 8496.8724246042. The cubic root of 72196841 is about 416.3955361078.

It can be divided in two parts, 72196 and 841, that added together give a palindrome (73037).

The spelling of 72196841 in words is "seventy-two million, one hundred ninety-six thousand, eight hundred forty-one".