73441209 has 12 divisors (see below), whose sum is σ = 100375088. Its totient is φ = 47763360.

The previous prime is 73441187. The next prime is 73441217. The reversal of 73441209 is 90214437.

It is a happy number.

It is not a de Polignac number, because 73441209 - 2⁵ = 73441177 is a prime.

It is a super-2 number, since 2×73441209² = 10787222358763362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73441279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2239 + ... + 12324.

Almost surely, 2^73441209 is an apocalyptic number.

It is an amenable number.

73441209 is a deficient number, since it is larger than the sum of its proper divisors (26933879).

73441209 is a wasteful number, since it uses less digits than its factorization.

73441209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14648 (or 14607 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 73441209 is about 8569.7846530703. The cubic root of 73441209 is about 418.7742208014.

The spelling of 73441209 in words is "seventy-three million, four hundred forty-one thousand, two hundred nine".