711430940 has 72 divisors (see below), whose sum is σ = 1704045168. Its totient is φ = 247413760.

The previous prime is 711430933. The next prime is 711430949. The reversal of 711430940 is 49034117.

711430940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×711430940² = 1012267964778567200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711430949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113324 + ... + 119436.

It is an arithmetic number, because the mean of its divisors is an integer number (23667294).

Almost surely, 2^711430940 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 711430940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852022584).

711430940 is an abundant number, since it is smaller than the sum of its proper divisors (992614228).

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

711430940 is a wasteful number, since it uses less digits than its factorization.

711430940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179 (or 6154 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 711430940 is about 26672.6627842066. The cubic root of 711430940 is about 892.7110617176.

The spelling of 711430940 in words is "seven hundred eleven million, four hundred thirty thousand, nine hundred forty".