73135973 has 8 divisors (see below), whose sum is σ = 74076288. Its totient is φ = 72201024.

The previous prime is 73135969. The next prime is 73136039. The reversal of 73135973 is 37953137.

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 73135973 - 2² = 73135969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73135373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30836 + ... + 33122.

It is an arithmetic number, because the mean of its divisors is an integer number (9259536).

Almost surely, 2^73135973 is an apocalyptic number.

It is an amenable number.

73135973 is a deficient number, since it is larger than the sum of its proper divisors (940315).

73135973 is a wasteful number, since it uses less digits than its factorization.

73135973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its digits is 59535, while the sum is 38.

The square root of 73135973 is about 8551.9572613525. The cubic root of 73135973 is about 418.1932460402.

The spelling of 73135973 in words is "seventy-three million, one hundred thirty-five thousand, nine hundred seventy-three".