72843116 has 12 divisors (see below), whose sum is σ = 133018032. Its totient is φ = 34837968.

The previous prime is 72843107. The next prime is 72843151. The reversal of 72843116 is 61134827.

It is a super-2 number, since 2×72843116² = 10612239097178912, which contains 22 as substring.

It is an unprimeable number.

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, 395795 + ... + 395978.

It is an arithmetic number, because the mean of its divisors is an integer number (11084836).

Almost surely, 2^72843116 is an apocalyptic number.

It is an amenable number.

72843116 is a deficient number, since it is larger than the sum of its proper divisors (60174916).

72843116 is a wasteful number, since it uses less digits than its factorization.

72843116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791800 (or 791798 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 72843116 is about 8534.8178656606. The cubic root of 72843116 is about 417.6343115503.

The spelling of 72843116 in words is "seventy-two million, eight hundred forty-three thousand, one hundred sixteen".