7071499782 has 12 divisors (see below), whose sum is σ = 15321582900. Its totient is φ = 2357166588.

The previous prime is 7071499777. The next prime is 7071499793. The reversal of 7071499782 is 2879941707.

7071499782 is a `hidden beast` number, since 7 + 0 + 71 + 499 + 7 + 82 = 666.

It is a super-2 number, since 2×7071499782² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196430532 + ... + 196430567.

It is an arithmetic number, because the mean of its divisors is an integer number (1276798575).

Almost surely, 2^7071499782 is an apocalyptic number.

7071499782 is an abundant number, since it is smaller than the sum of its proper divisors (8250083118).

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

7071499782 is a wasteful number, since it uses less digits than its factorization.

7071499782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392861107 (or 392861104 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The square root of 7071499782 is about 84092.2099959324. The cubic root of 7071499782 is about 1919.4221877820.

The spelling of 7071499782 in words is "seven billion, seventy-one million, four hundred ninety-nine thousand, seven hundred eighty-two".