73723143 has 8 divisors (see below), whose sum is σ = 105858928. Its totient is φ = 45368064.

The previous prime is 73723141. The next prime is 73723147. The reversal of 73723143 is 34132737.

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

It is not a de Polignac number, because 73723143 - 2¹ = 73723141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73723143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73723141) 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, 945130 + ... + 945207.

It is an arithmetic number, because the mean of its divisors is an integer number (13232366).

Almost surely, 2^73723143 is an apocalyptic number.

73723143 is a deficient number, since it is larger than the sum of its proper divisors (32135785).

73723143 is a wasteful number, since it uses less digits than its factorization.

73723143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890353.

The product of its digits is 10584, while the sum is 30.

The square root of 73723143 is about 8586.2182012805. The cubic root of 73723143 is about 419.3094150146.

The spelling of 73723143 in words is "seventy-three million, seven hundred twenty-three thousand, one hundred forty-three".