73165607 has 4 divisors (see below), whose sum is σ = 74950176. Its totient is φ = 71381040.

The previous prime is 73165591. The next prime is 73165621. The reversal of 73165607 is 70656137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70656137 = 1657 ⋅42641.

It is a cyclic number.

It is not a de Polignac number, because 73165607 - 2⁴ = 73165591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73165627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892223 + ... + 892304.

It is an arithmetic number, because the mean of its divisors is an integer number (18737544).

Almost surely, 2^73165607 is an apocalyptic number.

73165607 is a deficient number, since it is larger than the sum of its proper divisors (1784569).

73165607 is a wasteful number, since it uses less digits than its factorization.

73165607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784568.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 73165607 is about 8553.6896717148. The cubic root of 73165607 is about 418.2497210538.

The spelling of 73165607 in words is "seventy-three million, one hundred sixty-five thousand, six hundred seven".