72841966 has 8 divisors (see below), whose sum is σ = 114013584. Its totient is φ = 34837440.

The previous prime is 72841927. The next prime is 72841969. The reversal of 72841966 is 66914827.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72841969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791715 + ... + 791806.

It is an arithmetic number, because the mean of its divisors is an integer number (14251698).

Almost surely, 2^72841966 is an apocalyptic number.

72841966 is a deficient number, since it is larger than the sum of its proper divisors (41171618).

72841966 is a wasteful number, since it uses less digits than its factorization.

72841966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583546.

The product of its digits is 145152, while the sum is 43.

The square root of 72841966 is about 8534.7504943027. The cubic root of 72841966 is about 417.6321137586.

The spelling of 72841966 in words is "seventy-two million, eight hundred forty-one thousand, nine hundred sixty-six".