7026720390 has 96 divisors (see below), whose sum is σ = 18727765056. Its totient is φ = 1827221760.

The previous prime is 7026720367. The next prime is 7026720401. The reversal of 7026720390 is 930276207.

7026720390 is a `hidden beast` number, since 7 + 0 + 267 + 2 + 0 + 390 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 792180 + ... + 801000.

It is an arithmetic number, because the mean of its divisors is an integer number (195080886).

Almost surely, 2^7026720390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7026720390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9363882528).

7026720390 is an abundant number, since it is smaller than the sum of its proper divisors (11701044666).

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

7026720390 is a wasteful number, since it uses less digits than its factorization.

7026720390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054 (or 9051 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 7026720390 is about 83825.5354292473. The cubic root of 7026720390 is about 1915.3621050129.

Adding to 7026720390 its reverse (930276207), we get a palindrome (7956996597).

The spelling of 7026720390 in words is "seven billion, twenty-six million, seven hundred twenty thousand, three hundred ninety".