73494189 has 8 divisors (see below), whose sum is σ = 108880320. Its totient is φ = 48996108.

The previous prime is 73494167. The next prime is 73494191. The reversal of 73494189 is 98149437.

It is not a de Polignac number, because 73494189 - 2⁹ = 73493677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73494139) 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, 1360977 + ... + 1361030.

It is an arithmetic number, because the mean of its divisors is an integer number (13610040).

Almost surely, 2^73494189 is an apocalyptic number.

It is an amenable number.

73494189 is a deficient number, since it is larger than the sum of its proper divisors (35386131).

73494189 is a wasteful number, since it uses less digits than its factorization.

73494189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722016 (or 2722010 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 73494189 is about 8572.8751886400. The cubic root of 73494189 is about 418.8748969094.

The spelling of 73494189 in words is "seventy-three million, four hundred ninety-four thousand, one hundred eighty-nine".