73089012 has 12 divisors (see below), whose sum is σ = 170541056. Its totient is φ = 24363000.

The previous prime is 73089011. The next prime is 73089017. The reversal of 73089012 is 21098037.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×73089012² = 10684007350272288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73089011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3045364 + ... + 3045387.

Almost surely, 2^73089012 is an apocalyptic number.

It is an amenable number.

73089012 is an abundant number, since it is smaller than the sum of its proper divisors (97452044).

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

73089012 is a wasteful number, since it uses less digits than its factorization.

73089012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090758 (or 6090756 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 73089012 is about 8549.2111916831. The cubic root of 73089012 is about 418.1037188344.

The spelling of 73089012 in words is "seventy-three million, eighty-nine thousand, twelve".