73550385 has 12 divisors (see below), whose sum is σ = 127487412. Its totient is φ = 39226848.

The previous prime is 73550369. The next prime is 73550417. The reversal of 73550385 is 58305537.

73550385 is a `hidden beast` number, since 73 + 5 + 503 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 53056656 + 20493729 = 7284^2 + 4527^2 .

It is not a de Polignac number, because 73550385 - 2⁴ = 73550369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 817182 + ... + 817271.

It is an arithmetic number, because the mean of its divisors is an integer number (10623951).

Almost surely, 2^73550385 is an apocalyptic number.

It is an amenable number.

73550385 is a deficient number, since it is larger than the sum of its proper divisors (53937027).

73550385 is a wasteful number, since it uses less digits than its factorization.

73550385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634464 (or 1634461 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 73550385 is about 8576.1521091921. The cubic root of 73550385 is about 418.9816314100.

The spelling of 73550385 in words is "seventy-three million, five hundred fifty thousand, three hundred eighty-five".