19680074 has 8 divisors (see below), whose sum is σ = 29554308. Its totient is φ = 9828640.

The previous prime is 19680053. The next prime is 19680077. The reversal of 19680074 is 47008691.

It can be written as a sum of positive squares in 2 ways, for example, as 18003049 + 1677025 = 4243^2 + 1295^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19680077) 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 3 ways as a sum of consecutive naturals, for example, 3347 + ... + 7110.

Almost surely, 2^19680074 is an apocalyptic number.

19680074 is a deficient number, since it is larger than the sum of its proper divisors (9874234).

19680074 is a wasteful number, since it uses less digits than its factorization.

19680074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11400.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 19680074 is about 4436.2229430000. Note that the first 3 decimals coincide. The cubic root of 19680074 is about 269.9866202789.

The spelling of 19680074 in words is "nineteen million, six hundred eighty thousand, seventy-four".