1954720672 has 24 divisors (see below), whose sum is σ = 3850622496. Its totient is φ = 976784832.

The previous prime is 1954720631. The next prime is 1954720679. The reversal of 1954720672 is 2760274591.

It is not an unprimeable number, because it can be changed into a prime (1954720679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40093 + ... + 74275.

It is an arithmetic number, because the mean of its divisors is an integer number (160442604).

Almost surely, 2^1954720672 is an apocalyptic number.

It is an amenable number.

1954720672 is a deficient number, since it is larger than the sum of its proper divisors (1895901824).

1954720672 is a wasteful number, since it uses less digits than its factorization.

1954720672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35980 (or 35972 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 1954720672 is about 44212.2231062859. The cubic root of 1954720672 is about 1250.3403173655.

The spelling of 1954720672 in words is "one billion, nine hundred fifty-four million, seven hundred twenty thousand, six hundred seventy-two".