7860225730 has 80 divisors (see below), whose sum is σ = 16580463480. Its totient is φ = 2682710016.

The previous prime is 7860225719. The next prime is 7860225749. The reversal of 7860225730 is 375220687.

It can be written as a sum of positive squares in 4 ways, for example, as 3733576609 + 4126649121 = 61103^2 + 64239^2 .

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 39 ways as a sum of consecutive naturals, for example, 6458082 + ... + 6459298.

Almost surely, 2^7860225730 is an apocalyptic number.

7860225730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7860225730 is an abundant number, since it is smaller than the sum of its proper divisors (8720237750).

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

7860225730 is a wasteful number, since it uses less digits than its factorization.

7860225730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 7860225730 is about 88657.9140855457. The cubic root of 7860225730 is about 1988.2836416687.

The spelling of 7860225730 in words is "seven billion, eight hundred sixty million, two hundred twenty-five thousand, seven hundred thirty".