973741638 has 8 divisors (see below), whose sum is σ = 1947483288. Its totient is φ = 324580544.

The previous prime is 973741631. The next prime is 973741673. The reversal of 973741638 is 836147379.

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

973741638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973741631) by changing a digit.

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, 81145131 + ... + 81145142.

It is an arithmetic number, because the mean of its divisors is an integer number (243435411).

Almost surely, 2^973741638 is an apocalyptic number.

973741638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

973741638 is a wasteful number, since it uses less digits than its factorization.

973741638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162290278.

The product of its digits is 762048, while the sum is 48.

The square root of 973741638 is about 31204.8335678946. The cubic root of 973741638 is about 991.1694638278.

The spelling of 973741638 in words is "nine hundred seventy-three million, seven hundred forty-one thousand, six hundred thirty-eight".