1973061320 has 32 divisors (see below), whose sum is σ = 4480126200. Its totient is φ = 781982208.

The previous prime is 1973061283. The next prime is 1973061329. The reversal of 1973061320 is 231603791.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1900436836 + 72624484 = 43594^2 + 8522^2 .

It is not an unprimeable number, because it can be changed into a prime (1973061329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221909 + ... + 230628.

Almost surely, 2^1973061320 is an apocalyptic number.

1973061320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1973061320 is an abundant number, since it is smaller than the sum of its proper divisors (2507064880).

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

1973061320 is a wasteful number, since it uses less digits than its factorization.

1973061320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452657 (or 452653 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 1973061320 is about 44419.1548771473. The cubic root of 1973061320 is about 1254.2386921448.

The spelling of 1973061320 in words is "one billion, nine hundred seventy-three million, sixty-one thousand, three hundred twenty".