73809368 has 8 divisors (see below), whose sum is σ = 138392580. Its totient is φ = 36904680.

The previous prime is 73809361. The next prime is 73809409. The reversal of 73809368 is 86390837.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73809361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4613078 + ... + 4613093.

Almost surely, 2^73809368 is an apocalyptic number.

It is an amenable number.

73809368 is a deficient number, since it is larger than the sum of its proper divisors (64583212).

73809368 is a wasteful number, since it uses less digits than its factorization.

73809368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9226177 (or 9226173 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 73809368 is about 8591.2378619149. The cubic root of 73809368 is about 419.4728230782.

The spelling of 73809368 in words is "seventy-three million, eight hundred nine thousand, three hundred sixty-eight".