73745993 has 8 divisors (see below), whose sum is σ = 76281600. Its totient is φ = 71220240.

The previous prime is 73745963. The next prime is 73746007. The reversal of 73745993 is 39954737.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 73745993 - 2¹² = 73741897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73745953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14783 + ... + 19131.

It is an arithmetic number, because the mean of its divisors is an integer number (9535200).

Almost surely, 2^73745993 is an apocalyptic number.

It is an amenable number.

73745993 is a deficient number, since it is larger than the sum of its proper divisors (2535607).

73745993 is a wasteful number, since it uses less digits than its factorization.

73745993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927.

The product of its digits is 714420, while the sum is 47.

The square root of 73745993 is about 8587.5487189302. The cubic root of 73745993 is about 419.3527312653.

The spelling of 73745993 in words is "seventy-three million, seven hundred forty-five thousand, nine hundred ninety-three".