7285680356 has 12 divisors (see below), whose sum is σ = 12769835820. Its totient is φ = 3637155840.

The previous prime is 7285680343. The next prime is 7285680371. The reversal of 7285680356 is 6530865827.

It can be written as a sum of positive squares in 2 ways, for example, as 7033505956 + 252174400 = 83866^2 + 15880^2 .

It is a super-2 number, since 2×7285680356² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418201 + ... + 1423328.

It is an arithmetic number, because the mean of its divisors is an integer number (1064152985).

Almost surely, 2^7285680356 is an apocalyptic number.

It is an amenable number.

7285680356 is a deficient number, since it is larger than the sum of its proper divisors (5484155464).

7285680356 is a wasteful number, since it uses less digits than its factorization.

7285680356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842174 (or 2842172 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The square root of 7285680356 is about 85356.1969396481. The cubic root of 7285680356 is about 1938.6081663112.

The spelling of 7285680356 in words is "seven billion, two hundred eighty-five million, six hundred eighty thousand, three hundred fifty-six".