711025840 has 80 divisors (see below), whose sum is σ = 1915288128. Its totient is φ = 240427008.

The previous prime is 711025691. The next prime is 711025849. The reversal of 711025840 is 48520117.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 711025799 and 711025808.

It is not an unprimeable number, because it can be changed into a prime (711025849) 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, 32184 + ... + 49576.

Almost surely, 2^711025840 is an apocalyptic number.

711025840 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 711025840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957644064).

711025840 is an abundant number, since it is smaller than the sum of its proper divisors (1204262288).

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

711025840 is a wasteful number, since it uses less digits than its factorization.

711025840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17486 (or 17480 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 711025840 is about 26665.0677854004. The cubic root of 711025840 is about 892.5415882929.

Adding to 711025840 its reverse (48520117), we get a palindrome (759545957).

The spelling of 711025840 in words is "seven hundred eleven million, twenty-five thousand, eight hundred forty".