1972066798 has 32 divisors (see below), whose sum is σ = 3302836992. Its totient is φ = 876960000.

The previous prime is 1972066781. The next prime is 1972066801. The reversal of 1972066798 is 8976602791.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182548 + ... + 193048.

It is an arithmetic number, because the mean of its divisors is an integer number (103213656).

Almost surely, 2^1972066798 is an apocalyptic number.

1972066798 is a deficient number, since it is larger than the sum of its proper divisors (1330770194).

1972066798 is a wasteful number, since it uses less digits than its factorization.

1972066798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10780.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The square root of 1972066798 is about 44407.9587236342. The cubic root of 1972066798 is about 1254.0279236304.

The spelling of 1972066798 in words is "one billion, nine hundred seventy-two million, sixty-six thousand, seven hundred ninety-eight".