73684465 has 4 divisors (see below), whose sum is σ = 88421364. Its totient is φ = 58947568.

The previous prime is 73684463. The next prime is 73684517. The reversal of 73684465 is 56448637.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15437041 + 58247424 = 3929^2 + 7632^2 .

It is a cyclic number.

It is not a de Polignac number, because 73684465 - 2¹ = 73684463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73684463) 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 3 ways as a sum of consecutive naturals, for example, 7368442 + ... + 7368451.

It is an arithmetic number, because the mean of its divisors is an integer number (22105341).

Almost surely, 2^73684465 is an apocalyptic number.

It is an amenable number.

73684465 is a deficient number, since it is larger than the sum of its proper divisors (14736899).

73684465 is a wasteful number, since it uses less digits than its factorization.

73684465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14736898.

The product of its digits is 483840, while the sum is 43.

The square root of 73684465 is about 8583.9655754203. The cubic root of 73684465 is about 419.2360735648.

The spelling of 73684465 in words is "seventy-three million, six hundred eighty-four thousand, four hundred sixty-five".