73660616 has 8 divisors (see below), whose sum is σ = 138113670. Its totient is φ = 36830304.

The previous prime is 73660603. The next prime is 73660621. The reversal of 73660616 is 61606637.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42902500 + 30758116 = 6550^2 + 5546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4603781 + ... + 4603796.

Almost surely, 2^73660616 is an apocalyptic number.

It is an amenable number.

73660616 is a deficient number, since it is larger than the sum of its proper divisors (64453054).

73660616 is a wasteful number, since it uses less digits than its factorization.

73660616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9207583 (or 9207579 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 73660616 is about 8582.5763031854. The cubic root of 73660616 is about 419.1908381590.

The spelling of 73660616 in words is "seventy-three million, six hundred sixty thousand, six hundred sixteen".