1973133006 has 64 divisors (see below), whose sum is σ = 4302305280. Its totient is φ = 599673600.

The previous prime is 1973132977. The next prime is 1973133011. The reversal of 1973133006 is 6003313791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2743915 + ... + 2744633.

It is an arithmetic number, because the mean of its divisors is an integer number (67223520).

Almost surely, 2^1973133006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1973133006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2151152640).

1973133006 is an abundant number, since it is smaller than the sum of its proper divisors (2329172274).

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

1973133006 is a wasteful number, since it uses less digits than its factorization.

1973133006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 1973133006 is about 44419.9617964716. The cubic root of 1973133006 is about 1254.2538817836.

Adding to 1973133006 its reverse (6003313791), we get a palindrome (7976446797).

The spelling of 1973133006 in words is "one billion, nine hundred seventy-three million, one hundred thirty-three thousand, six".