73289616 has 20 divisors (see below), whose sum is σ = 189331632. Its totient is φ = 24429856.

The previous prime is 73289603. The next prime is 73289617. The reversal of 73289616 is 61698237.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73289617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763386 + ... + 763481.

Almost surely, 2^73289616 is an apocalyptic number.

It is an amenable number.

73289616 is an abundant number, since it is smaller than the sum of its proper divisors (116042016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73289616 is a wasteful number, since it uses less digits than its factorization.

73289616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526878 (or 1526872 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 73289616 is about 8560.9354629036. The cubic root of 73289616 is about 418.4858859963.

The spelling of 73289616 in words is "seventy-three million, two hundred eighty-nine thousand, six hundred sixteen".