72843876 has 36 divisors (see below), whose sum is σ = 210438592. Its totient is φ = 20812464.

The previous prime is 72843863. The next prime is 72843887. The reversal of 72843876 is 67834827.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144280 + ... + 144783.

Almost surely, 2^72843876 is an apocalyptic number.

It is an amenable number.

72843876 is an abundant number, since it is smaller than the sum of its proper divisors (137594716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72843876 is a wasteful number, since it uses less digits than its factorization.

72843876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289080 (or 289075 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 72843876 is about 8534.8623890488. The cubic root of 72843876 is about 417.6357639912.

The spelling of 72843876 in words is "seventy-two million, eight hundred forty-three thousand, eight hundred seventy-six".