73210516 has 12 divisors (see below), whose sum is σ = 128524788. Its totient is φ = 36489152.

The previous prime is 73210507. The next prime is 73210549. The reversal of 73210516 is 61501237.

It can be written as a sum of positive squares in 2 ways, for example, as 5904900 + 67305616 = 2430^2 + 8204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27601 + ... + 30136.

It is an arithmetic number, because the mean of its divisors is an integer number (10710399).

Almost surely, 2^73210516 is an apocalyptic number.

It is an amenable number.

73210516 is a deficient number, since it is larger than the sum of its proper divisors (55314272).

73210516 is a wasteful number, since it uses less digits than its factorization.

73210516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58058 (or 58056 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 73210516 is about 8556.3143934757. The cubic root of 73210516 is about 418.3352773499.

The spelling of 73210516 in words is "seventy-three million, two hundred ten thousand, five hundred sixteen".