73608645 has 32 divisors (see below), whose sum is σ = 130129920. Its totient is φ = 35231040.

The previous prime is 73608631. The next prime is 73608659. The reversal of 73608645 is 54680637.

It is an interprime number because it is at equal distance from previous prime (73608631) and next prime (73608659).

It is not a de Polignac number, because 73608645 - 2⁶ = 73608581 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10212 + ... + 15858.

It is an arithmetic number, because the mean of its divisors is an integer number (4066560).

Almost surely, 2^73608645 is an apocalyptic number.

It is an amenable number.

73608645 is a deficient number, since it is larger than the sum of its proper divisors (56521275).

73608645 is a wasteful number, since it uses less digits than its factorization.

73608645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 73608645 is about 8579.5480650207. The cubic root of 73608645 is about 419.0922287353.

The spelling of 73608645 in words is "seventy-three million, six hundred eight thousand, six hundred forty-five".