73930681 has 8 divisors (see below), whose sum is σ = 81856224. Its totient is φ = 66205920.

The previous prime is 73930679. The next prime is 73930721. The reversal of 73930681 is 18603937.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73930681 - 2¹ = 73930679 is a prime.

It is a super-2 number, since 2×73930681² = 10931491186247522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73930681.

It is not an unprimeable number, because it can be changed into a prime (73930651) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49420 + ... + 50893.

It is an arithmetic number, because the mean of its divisors is an integer number (10232028).

Almost surely, 2^73930681 is an apocalyptic number.

It is an amenable number.

73930681 is a deficient number, since it is larger than the sum of its proper divisors (7925543).

73930681 is a wasteful number, since it uses less digits than its factorization.

73930681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100391.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 73930681 is about 8598.2952380108. The cubic root of 73930681 is about 419.7025123161.

The spelling of 73930681 in words is "seventy-three million, nine hundred thirty thousand, six hundred eighty-one".