73229616 has 80 divisors (see below), whose sum is σ = 211593600. Its totient is φ = 24247872.

The previous prime is 73229609. The next prime is 73229617. The reversal of 73229616 is 61692237.

73229616 is a `hidden beast` number, since 7 + 32 + 2 + 9 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (73229617) 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, 76855 + ... + 77801.

It is an arithmetic number, because the mean of its divisors is an integer number (2644920).

Almost surely, 2^73229616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73229616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105796800).

73229616 is an abundant number, since it is smaller than the sum of its proper divisors (138363984).

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

73229616 is a wasteful number, since it uses less digits than its factorization.

73229616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1131 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 73229616 is about 8557.4304554580. The cubic root of 73229616 is about 418.3716542234.

The spelling of 73229616 in words is "seventy-three million, two hundred twenty-nine thousand, six hundred sixteen".