1994056073 has 8 divisors (see below), whose sum is σ = 1998921600. Its totient is φ = 1989198288.

The previous prime is 1994056067. The next prime is 1994056111. The reversal of 1994056073 is 3706504991.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1994056073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1994056003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165943 + ... + 1167651.

It is an arithmetic number, because the mean of its divisors is an integer number (249865200).

Almost surely, 2^1994056073 is an apocalyptic number.

It is an amenable number.

1994056073 is a deficient number, since it is larger than the sum of its proper divisors (4865527).

1994056073 is a wasteful number, since it uses less digits than its factorization.

1994056073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 1994056073 is about 44654.8549768108. The cubic root of 1994056073 is about 1258.6716649096.

The spelling of 1994056073 in words is "one billion, nine hundred ninety-four million, fifty-six thousand, seventy-three".