73485547 has 4 divisors (see below), whose sum is σ = 74014360. Its totient is φ = 72956736.

The previous prime is 73485499. The next prime is 73485553. The reversal of 73485547 is 74558437.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73485547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73485557) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 264198 + ... + 264475.

It is an arithmetic number, because the mean of its divisors is an integer number (18503590).

Almost surely, 2^73485547 is an apocalyptic number.

73485547 is a deficient number, since it is larger than the sum of its proper divisors (528813).

73485547 is a wasteful number, since it uses less digits than its factorization.

73485547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528812.

The product of its digits is 470400, while the sum is 43.

The square root of 73485547 is about 8572.3711422220. The cubic root of 73485547 is about 418.8584781113.

The spelling of 73485547 in words is "seventy-three million, four hundred eighty-five thousand, five hundred forty-seven".