706021324540 has 144 divisors (see below), whose sum is σ = 1777883990400. Its totient is φ = 234649820160.

The previous prime is 706021324511. The next prime is 706021324543. The reversal of 706021324540 is 45423120607.

706021324540 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 2×706021324540² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 706021324496 and 706021324505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706021324543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9790536 + ... + 9862384.

It is an arithmetic number, because the mean of its divisors is an integer number (12346416600).

Almost surely, 2^706021324540 is an apocalyptic number.

706021324540 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 706021324540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888941995200).

706021324540 is an abundant number, since it is smaller than the sum of its proper divisors (1071862665860).

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

706021324540 is a wasteful number, since it uses less digits than its factorization.

706021324540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72180 (or 72171 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 706021324540 in words is "seven hundred six billion, twenty-one million, three hundred twenty-four thousand, five hundred forty".