1972842002 has 8 divisors (see below), whose sum is σ = 3015098316. Its totient is φ = 967809232.

The previous prime is 1972841987. The next prime is 1972842013. The reversal of 1972842002 is 2002482791.

It can be written as a sum of positive squares in 2 ways, for example, as 1950193921 + 22648081 = 44161^2 + 4759^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9305753 + ... + 9305964.

Almost surely, 2^1972842002 is an apocalyptic number.

1972842002 is a deficient number, since it is larger than the sum of its proper divisors (1042256314).

1972842002 is a wasteful number, since it uses less digits than its factorization.

1972842002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18611772.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1972842002 is about 44416.6860762934. The cubic root of 1972842002 is about 1254.1922182869.

The spelling of 1972842002 in words is "one billion, nine hundred seventy-two million, eight hundred forty-two thousand, two".