73100645 has 16 divisors (see below), whose sum is σ = 90659712. Its totient is φ = 56548800.

The previous prime is 73100639. The next prime is 73100653. The reversal of 73100645 is 54600137.

It is not a de Polignac number, because 73100645 - 2⁸ = 73100389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20495 + ... + 23795.

It is an arithmetic number, because the mean of its divisors is an integer number (5666232).

Almost surely, 2^73100645 is an apocalyptic number.

It is an amenable number.

73100645 is a deficient number, since it is larger than the sum of its proper divisors (17559067).

73100645 is a wasteful number, since it uses less digits than its factorization.

73100645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 73100645 is about 8549.8915197797. The cubic root of 73100645 is about 418.1258997451.

The spelling of 73100645 in words is "seventy-three million, one hundred thousand, six hundred forty-five".