73618065 has 56 divisors (see below), whose sum is σ = 139554240. Its totient is φ = 37161504.

The previous prime is 73618057. The next prime is 73618079. The reversal of 73618065 is 56081637.

It is not a de Polignac number, because 73618065 - 2³ = 73618057 is a prime.

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 55 ways as a sum of consecutive naturals, for example, 68724 + ... + 69786.

It is an arithmetic number, because the mean of its divisors is an integer number (2492040).

Almost surely, 2^73618065 is an apocalyptic number.

It is an amenable number.

73618065 is a deficient number, since it is larger than the sum of its proper divisors (65936175).

73618065 is a wasteful number, since it uses less digits than its factorization.

73618065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 73618065 is about 8580.0970274234. The cubic root of 73618065 is about 419.1101056228.

The spelling of 73618065 in words is "seventy-three million, six hundred eighteen thousand, sixty-five".