73042109 has 8 divisors (see below), whose sum is σ = 85052160. Its totient is φ = 61425936.

The previous prime is 73042091. The next prime is 73042111. The reversal of 73042109 is 90124037.

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

It is a cyclic number.

It is not a de Polignac number, because 73042109 - 2¹² = 73038013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73042309) 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, 98069 + ... + 98810.

It is an arithmetic number, because the mean of its divisors is an integer number (10631520).

Almost surely, 2^73042109 is an apocalyptic number.

It is an amenable number.

73042109 is a deficient number, since it is larger than the sum of its proper divisors (12010051).

73042109 is a wasteful number, since it uses less digits than its factorization.

73042109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196939.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 73042109 is about 8546.4676328879. The cubic root of 73042109 is about 418.0142639150.

The spelling of 73042109 in words is "seventy-three million, forty-two thousand, one hundred nine".