1974066056 has 8 divisors (see below), whose sum is σ = 3701373870. Its totient is φ = 987033024.

The previous prime is 1974066041. The next prime is 1974066067. The reversal of 1974066056 is 6506604791.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1316964100 + 657101956 = 36290^2 + 25634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1974065998 and 1974066016.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 123379121 + ... + 123379136.

Almost surely, 2^1974066056 is an apocalyptic number.

It is an amenable number.

1974066056 is a deficient number, since it is larger than the sum of its proper divisors (1727307814).

1974066056 is a wasteful number, since it uses less digits than its factorization.

1974066056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246758263 (or 246758259 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 1974066056 is about 44430.4631531115. The cubic root of 1974066056 is about 1254.4515533990.

The spelling of 1974066056 in words is "one billion, nine hundred seventy-four million, sixty-six thousand, fifty-six".