73042112 has 112 divisors (see below), whose sum is σ = 178198272. Its totient is φ = 29230080.

The previous prime is 73042111. The next prime is 73042117. The reversal of 73042112 is 21124037.

It is not an unprimeable number, because it can be changed into a prime (73042111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210323 + ... + 210669.

It is an arithmetic number, because the mean of its divisors is an integer number (1591056).

Almost surely, 2^73042112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73042112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89099136).

73042112 is an abundant number, since it is smaller than the sum of its proper divisors (105156160).

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

73042112 is a wasteful number, since it uses less digits than its factorization.

73042112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 73042112 is about 8546.4678083990. The cubic root of 73042112 is about 418.0142696379.

Adding to 73042112 its reverse (21124037), we get a palindrome (94166149).

The spelling of 73042112 in words is "seventy-three million, forty-two thousand, one hundred twelve".