73316580 has 48 divisors (see below), whose sum is σ = 217365120. Its totient is φ = 18400768.

The previous prime is 73316567. The next prime is 73316587. The reversal of 73316580 is 8561337.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73316587) 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, 34920 + ... + 36959.

It is an arithmetic number, because the mean of its divisors is an integer number (4528440).

Almost surely, 2^73316580 is an apocalyptic number.

It is an amenable number.

73316580 is an abundant number, since it is smaller than the sum of its proper divisors (144048540).

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

73316580 is a wasteful number, since it uses less digits than its factorization.

73316580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71908 (or 71906 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 73316580 is about 8562.5101459794. The cubic root of 73316580 is about 418.5372014508.

The spelling of 73316580 in words is "seventy-three million, three hundred sixteen thousand, five hundred eighty".