73912680 has 192 divisors, whose sum is σ = 256089600. Its totient is φ = 18455040.

The previous prime is 73912673. The next prime is 73912747. The reversal of 73912680 is 8621937.

73912680 is a `hidden beast` number, since 7 + 391 + 268 + 0 = 666.

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

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 in 47 ways as a sum of consecutive naturals, for example, 412831 + ... + 413009.

It is an arithmetic number, because the mean of its divisors is an integer number (1333800).

Almost surely, 2^73912680 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 73912680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128044800).

73912680 is an abundant number, since it is smaller than the sum of its proper divisors (182176920).

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

73912680 is a wasteful number, since it uses less digits than its factorization.

73912680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 73912680 is about 8597.2483970163. The cubic root of 73912680 is about 419.6684458181.

The spelling of 73912680 in words is "seventy-three million, nine hundred twelve thousand, six hundred eighty".