711998560 has 192 divisors, whose sum is σ = 2099865600. Its totient is φ = 222124032.

The previous prime is 711998549. The next prime is 711998561. The reversal of 711998560 is 65899117.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 711998560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711998561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1149931 + ... + 1150549.

It is an arithmetic number, because the mean of its divisors is an integer number (10936800).

Almost surely, 2^711998560 is an apocalyptic number.

711998560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 711998560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049932800).

711998560 is an abundant number, since it is smaller than the sum of its proper divisors (1387867040).

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

711998560 is a wasteful number, since it uses less digits than its factorization.

711998560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 711998560 is about 26683.3011450982. The cubic root of 711998560 is about 892.9484171284.

The spelling of 711998560 in words is "seven hundred eleven million, nine hundred ninety-eight thousand, five hundred sixty".