6001721436 has 48 divisors (see below), whose sum is σ = 14251344800. Its totient is φ = 1965323520.

The previous prime is 6001721417. The next prime is 6001721437. The reversal of 6001721436 is 6341271006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6001721437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637290 + ... + 646638.

Almost surely, 2^6001721436 is an apocalyptic number.

It is an amenable number.

6001721436 is an abundant number, since it is smaller than the sum of its proper divisors (8249623364).

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

6001721436 is a wasteful number, since it uses less digits than its factorization.

6001721436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10294 (or 10292 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 6001721436 is about 77470.7779488498. Note that the first 3 decimals coincide. The cubic root of 6001721436 is about 1817.2943571488.

The spelling of 6001721436 in words is "six billion, one million, seven hundred twenty-one thousand, four hundred thirty-six".