73475143 has 8 divisors (see below), whose sum is σ = 84055712. Its totient is φ = 62915616.

The previous prime is 73475141. The next prime is 73475159. The reversal of 73475143 is 34157437.

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 73475143 - 2¹ = 73475141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73475099 and 73475108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73475141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3121 + ... + 12517.

It is an arithmetic number, because the mean of its divisors is an integer number (10506964).

Almost surely, 2^73475143 is an apocalyptic number.

73475143 is a deficient number, since it is larger than the sum of its proper divisors (10580569).

73475143 is a wasteful number, since it uses less digits than its factorization.

73475143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521.

The product of its digits is 35280, while the sum is 34.

The square root of 73475143 is about 8571.7642874731. The cubic root of 73475143 is about 418.8387100097.

The spelling of 73475143 in words is "seventy-three million, four hundred seventy-five thousand, one hundred forty-three".