73265616 has 30 divisors (see below), whose sum is σ = 205042370. Its totient is φ = 24421824.

The previous prime is 73265611. The next prime is 73265623. The reversal of 73265616 is 61656237.

73265616 is a `hidden beast` number, since 7 + 32 + 6 + 5 + 616 = 666.

It can be written as a sum of positive squares in only one way, i.e., 63680400 + 9585216 = 7980^2 + 3096^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73265611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 254251 + ... + 254538.

Almost surely, 2^73265616 is an apocalyptic number.

It is an amenable number.

73265616 is an abundant number, since it is smaller than the sum of its proper divisors (131776754).

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

73265616 is a wasteful number, since it uses less digits than its factorization.

73265616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508803 (or 508794 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 73265616 is about 8559.5336321554. The cubic root of 73265616 is about 418.4402007713.

It can be divided in two parts, 7 and 3265616, that added together give a palindrome (3265623).

The spelling of 73265616 in words is "seventy-three million, two hundred sixty-five thousand, six hundred sixteen".