73393489 has 9 divisors (see below), whose sum is σ = 79594203. Its totient is φ = 67645032.

The previous prime is 73393487. The next prime is 73393513. The reversal of 73393489 is 98439337.

The square root of 73393489 is 8567.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10857025 + 62536464 = 3295^2 + 7908^2 .

It is not a de Polignac number, because 73393489 - 2¹ = 73393487 is a prime.

Its product of digits (489888) is a multiple of the sum of its prime divisors (672).

It is not an unprimeable number, because it can be changed into a prime (73393487) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 111042 + ... + 111700.

Almost surely, 2^73393489 is an apocalyptic number.

73393489 is the 8567-th square number.

73393489 is the 4284-th centered octagonal number.

It is an amenable number.

73393489 is a deficient number, since it is larger than the sum of its proper divisors (6200714).

73393489 is an frugal number, since it uses more digits than its factorization.

73393489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344 (or 672 counting only the distinct ones).

The product of its digits is 489888, while the sum is 46.

The cubic root of 73393489 is about 418.6834986398.

The spelling of 73393489 in words is "seventy-three million, three hundred ninety-three thousand, four hundred eighty-nine".