7020673866 has 56 divisors (see below), whose sum is σ = 15812636484. Its totient is φ = 2336765760.

The previous prime is 7020673843. The next prime is 7020673871. The reversal of 7020673866 is 6683760207.

It can be written as a sum of positive squares in 2 ways, for example, as 6983109225 + 37564641 = 83565^2 + 6129^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1100526 + ... + 1106886.

Almost surely, 2^7020673866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7020673866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7906318242).

7020673866 is an abundant number, since it is smaller than the sum of its proper divisors (8791962618).

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

7020673866 is an equidigital number, since it uses as much as digits as its factorization.

7020673866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7138 (or 7123 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 7020673866 is about 83789.4615449938. The cubic root of 7020673866 is about 1914.8125548293.

The spelling of 7020673866 in words is "seven billion, twenty million, six hundred seventy-three thousand, eight hundred sixty-six".