1973770064 has 20 divisors (see below), whose sum is σ = 4370491104. Its totient is φ = 845901408.

The previous prime is 1973770033. The next prime is 1973770213. The reversal of 1973770064 is 4600773791.

It is a junction number, because it is equal to n+sod(n) for n = 1973769997 and 1973770024.

It is a congruent number.

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, 8811362 + ... + 8811585.

Almost surely, 2^1973770064 is an apocalyptic number.

1973770064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1973770064 is an abundant number, since it is smaller than the sum of its proper divisors (2396721040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1973770064 is a wasteful number, since it uses less digits than its factorization.

1973770064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17622962 (or 17622956 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 1973770064 is about 44427.1320703914. The cubic root of 1973770064 is about 1254.3888526630.

The spelling of 1973770064 in words is "one billion, nine hundred seventy-three million, seven hundred seventy thousand, sixty-four".