7020728766 has 48 divisors (see below), whose sum is σ = 15719623920. Its totient is φ = 2263161600.

The previous prime is 7020728753. The next prime is 7020728773. The reversal of 7020728766 is 6678270207.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33270 + ... + 123078.

It is an arithmetic number, because the mean of its divisors is an integer number (327492165).

Almost surely, 2^7020728766 is an apocalyptic number.

7020728766 is an abundant number, since it is smaller than the sum of its proper divisors (8698895154).

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

7020728766 is a wasteful number, since it uses less digits than its factorization.

7020728766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89961 (or 89958 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 7020728766 is about 83789.7891511848. The cubic root of 7020728766 is about 1914.8175459426.

The spelling of 7020728766 in words is "seven billion, twenty million, seven hundred twenty-eight thousand, seven hundred sixty-six".