73684245 has 8 divisors (see below), whose sum is σ = 117894816. Its totient is φ = 39298256.

The previous prime is 73684231. The next prime is 73684253. The reversal of 73684245 is 54248637.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 73684245 - 2⁶ = 73684181 is a prime.

It is a super-2 number, since 2×73684245² = 10858735922440050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2456127 + ... + 2456156.

It is an arithmetic number, because the mean of its divisors is an integer number (14736852).

Almost surely, 2^73684245 is an apocalyptic number.

It is an amenable number.

73684245 is a deficient number, since it is larger than the sum of its proper divisors (44210571).

73684245 is a wasteful number, since it uses less digits than its factorization.

73684245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912291.

The product of its digits is 161280, while the sum is 39.

The square root of 73684245 is about 8583.9527608206. The cubic root of 73684245 is about 419.2356563261.

The spelling of 73684245 in words is "seventy-three million, six hundred eighty-four thousand, two hundred forty-five".