73425289 has 16 divisors (see below), whose sum is σ = 85729536. Its totient is φ = 61588800.

The previous prime is 73425271. The next prime is 73425311. The reversal of 73425289 is 98252437.

It is not a de Polignac number, because 73425289 - 2¹⁷ = 73294217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73425239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77559 + ... + 78499.

It is an arithmetic number, because the mean of its divisors is an integer number (5358096).

Almost surely, 2^73425289 is an apocalyptic number.

It is an amenable number.

73425289 is a deficient number, since it is larger than the sum of its proper divisors (12304247).

73425289 is a wasteful number, since it uses less digits than its factorization.

73425289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176.

The product of its digits is 120960, while the sum is 40.

The square root of 73425289 is about 8568.8557579177. The cubic root of 73425289 is about 418.7439591020.

The spelling of 73425289 in words is "seventy-three million, four hundred twenty-five thousand, two hundred eighty-nine".