72016841 has 8 divisors (see below), whose sum is σ = 80928960. Its totient is φ = 63586512.

The previous prime is 72016807. The next prime is 72016843. The reversal of 72016841 is 14861027.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72016841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72016843) 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, 120131 + ... + 120728.

It is an arithmetic number, because the mean of its divisors is an integer number (10116120).

Almost surely, 2^72016841 is an apocalyptic number.

It is an amenable number.

72016841 is a deficient number, since it is larger than the sum of its proper divisors (8912119).

72016841 is a wasteful number, since it uses less digits than its factorization.

72016841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240895.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 72016841 is about 8486.2736816579. The cubic root of 72016841 is about 416.0491979074.

Adding to 72016841 its reverse (14861027), we get a palindrome (86877868).

The spelling of 72016841 in words is "seventy-two million, sixteen thousand, eight hundred forty-one".