711571728 has 240 divisors, whose sum is σ = 2251355904. Its totient is φ = 192890880.

The previous prime is 711571711. The next prime is 711571739. The reversal of 711571728 is 827175117.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4532226 + ... + 4532382.

Almost surely, 2^711571728 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 711571728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125677952).

711571728 is an abundant number, since it is smaller than the sum of its proper divisors (1539784176).

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

711571728 is a wasteful number, since it uses less digits than its factorization.

711571728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 257 counting only the distinct ones).

The product of its digits is 27440, while the sum is 39.

The square root of 711571728 is about 26675.3018352183. The cubic root of 711571728 is about 892.7699452569.

The spelling of 711571728 in words is "seven hundred eleven million, five hundred seventy-one thousand, seven hundred twenty-eight".