6715420782 has 16 divisors (see below), whose sum is σ = 15349533312. Its totient is φ = 1918691640.

The previous prime is 6715420763. The next prime is 6715420799. The reversal of 6715420782 is 2870245176.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 159890971 = 6715420782 / (6 + 7 + 1 + 5 + 4 + 2 + 0 + 7 + 8 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79945444 + ... + 79945527.

It is an arithmetic number, because the mean of its divisors is an integer number (959345832).

Almost surely, 2^6715420782 is an apocalyptic number.

6715420782 is an abundant number, since it is smaller than the sum of its proper divisors (8634112530).

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

6715420782 is a wasteful number, since it uses less digits than its factorization.

6715420782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159890983.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 6715420782 is about 81947.6709980217. The cubic root of 6715420782 is about 1886.6488568465.

The spelling of 6715420782 in words is "six billion, seven hundred fifteen million, four hundred twenty thousand, seven hundred eighty-two".