71730300 has 72 divisors (see below), whose sum is σ = 208844272. Its totient is φ = 19008000.

The previous prime is 71730299. The next prime is 71730313. The reversal of 71730300 is 303717.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53640 + ... + 54960.

Almost surely, 2^71730300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71730300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104422136).

71730300 is an abundant number, since it is smaller than the sum of its proper divisors (137113972).

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

71730300 is a wasteful number, since it uses less digits than its factorization.

71730300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 21.

The square root of 71730300 is about 8469.3742389860. The cubic root of 71730300 is about 415.4966715201.

The spelling of 71730300 in words is "seventy-one million, seven hundred thirty thousand, three hundred".