73342189 has 4 divisors (see below), whose sum is σ = 75871260. Its totient is φ = 70813120.

The previous prime is 73342183. The next prime is 73342201. The reversal of 73342189 is 98124337.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98124337 = 73 ⋅1344169.

It can be written as a sum of positive squares in 2 ways, for example, as 11594025 + 61748164 = 3405^2 + 7858^2 .

It is a cyclic number.

It is not a de Polignac number, because 73342189 - 2⁹ = 73341677 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 (73342183) 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, 1264492 + ... + 1264549.

It is an arithmetic number, because the mean of its divisors is an integer number (18967815).

Almost surely, 2^73342189 is an apocalyptic number.

It is an amenable number.

73342189 is a deficient number, since it is larger than the sum of its proper divisors (2529071).

73342189 is a wasteful number, since it uses less digits than its factorization.

73342189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529070.

The product of its digits is 36288, while the sum is 37.

The square root of 73342189 is about 8564.0054297040. The cubic root of 73342189 is about 418.5859265436.

The spelling of 73342189 in words is "seventy-three million, three hundred forty-two thousand, one hundred eighty-nine".