73684265 has 4 divisors (see below), whose sum is σ = 88421124. Its totient is φ = 58947408.

The previous prime is 73684253. The next prime is 73684267. The reversal of 73684265 is 56248637.

It is a happy number.

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 18983449 + 54700816 = 4357^2 + 7396^2 .

It is a cyclic number.

It is not a de Polignac number, because 73684265 - 2⁶ = 73684201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73684267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7368422 + ... + 7368431.

It is an arithmetic number, because the mean of its divisors is an integer number (22105281).

Almost surely, 2^73684265 is an apocalyptic number.

It is an amenable number.

73684265 is a deficient number, since it is larger than the sum of its proper divisors (14736859).

73684265 is a wasteful number, since it uses less digits than its factorization.

73684265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14736858.

The product of its digits is 241920, while the sum is 41.

The square root of 73684265 is about 8583.9539257850. The cubic root of 73684265 is about 419.2356942569.

The spelling of 73684265 in words is "seventy-three million, six hundred eighty-four thousand, two hundred sixty-five".