7285661756 has 12 divisors (see below), whose sum is σ = 12795938568. Its totient is φ = 3629679312.

The previous prime is 7285661753. The next prime is 7285661771. The reversal of 7285661756 is 6571665827.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7285661698 and 7285661707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7285661753) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3286646 + ... + 3288861.

It is an arithmetic number, because the mean of its divisors is an integer number (1066328214).

Almost surely, 2^7285661756 is an apocalyptic number.

It is an amenable number.

7285661756 is a deficient number, since it is larger than the sum of its proper divisors (5510276812).

7285661756 is a wasteful number, since it uses less digits than its factorization.

7285661756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575788 (or 6575786 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 53.

The square root of 7285661756 is about 85356.0879843963. The cubic root of 7285661756 is about 1938.6065165846.

The spelling of 7285661756 in words is "seven billion, two hundred eighty-five million, six hundred sixty-one thousand, seven hundred fifty-six".