73104012 has 96 divisors (see below), whose sum is σ = 207748800. Its totient is φ = 22127616.

The previous prime is 73103981. The next prime is 73104023. The reversal of 73104012 is 21040137.

It is a super-2 number, since 2×73104012² = 10688393140992288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52558 + ... + 53930.

It is an arithmetic number, because the mean of its divisors is an integer number (2164050).

Almost surely, 2^73104012 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 73104012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103874400).

73104012 is an abundant number, since it is smaller than the sum of its proper divisors (134644788).

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

73104012 is a wasteful number, since it uses less digits than its factorization.

73104012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 73104012 is about 8550.0884205954. The cubic root of 73104012 is about 418.1323192429.

Adding to 73104012 its reverse (21040137), we get a palindrome (94144149).

The spelling of 73104012 in words is "seventy-three million, one hundred four thousand, twelve".