1973706836 has 12 divisors (see below), whose sum is σ = 3547338228. Its totient is φ = 960181632.

The previous prime is 1973706829. The next prime is 1973706841. The reversal of 1973706836 is 6386073791.

It can be written as a sum of positive squares in 2 ways, for example, as 1870562500 + 103144336 = 43250^2 + 10156^2 .

It is a congruent number.

It is an unprimeable number.

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, 6667781 + ... + 6668076.

It is an arithmetic number, because the mean of its divisors is an integer number (295611519).

Almost surely, 2^1973706836 is an apocalyptic number.

It is an amenable number.

1973706836 is a deficient number, since it is larger than the sum of its proper divisors (1573631392).

1973706836 is a wasteful number, since it uses less digits than its factorization.

1973706836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13335898 (or 13335896 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 1973706836 is about 44426.4204725071. The cubic root of 1973706836 is about 1254.3754581029.

The spelling of 1973706836 in words is "one billion, nine hundred seventy-three million, seven hundred six thousand, eight hundred thirty-six".