73676409 has 8 divisors (see below), whose sum is σ = 98275200. Its totient is φ = 49097616.

The previous prime is 73676371. The next prime is 73676411. The reversal of 73676409 is 90467637.

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

It is not a de Polignac number, because 73676409 - 2⁹ = 73675897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73676609) 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, 10224 + ... + 15870.

It is an arithmetic number, because the mean of its divisors is an integer number (12284400).

Almost surely, 2^73676409 is an apocalyptic number.

It is an amenable number.

73676409 is a deficient number, since it is larger than the sum of its proper divisors (24598791).

73676409 is a wasteful number, since it uses less digits than its factorization.

73676409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 73676409 is about 8583.4963156047. The cubic root of 73676409 is about 419.2207945011.

The spelling of 73676409 in words is "seventy-three million, six hundred seventy-six thousand, four hundred nine".