19741968 has 50 divisors (see below), whose sum is σ = 57142734. Its totient is φ = 6580224.

The previous prime is 19741957. The next prime is 19741973. The reversal of 19741968 is 86914791.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13749264 + 5992704 = 3708^2 + 2448^2 .

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 6321 + ... + 8912.

Almost surely, 2^19741968 is an apocalyptic number.

19741968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19741968 is an abundant number, since it is smaller than the sum of its proper divisors (37400766).

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

19741968 is a wasteful number, since it uses less digits than its factorization.

19741968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15253 (or 15238 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 19741968 is about 4443.1934461601. The cubic root of 19741968 is about 270.2693608171.

The spelling of 19741968 in words is "nineteen million, seven hundred forty-one thousand, nine hundred sixty-eight".