7427086650 has 72 divisors (see below), whose sum is σ = 21127898844. Its totient is φ = 1864051200.

The previous prime is 7427086571. The next prime is 7427086651. The reversal of 7427086650 is 566807247.

It can be written as a sum of positive squares in 6 ways, for example, as 2470785849 + 4956300801 = 49707^2 + 70401^2 .

It is a super-2 number, since 2×7427086650² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 7427086596 and 7427086605.

It is not an unprimeable number, because it can be changed into a prime (7427086651) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 477781 + ... + 493080.

Almost surely, 2^7427086650 is an apocalyptic number.

7427086650 is an abundant number, since it is smaller than the sum of its proper divisors (13700812194).

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

7427086650 is a wasteful number, since it uses less digits than its factorization.

7427086650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970896 (or 970888 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 7427086650 is about 86180.5468188732. The cubic root of 7427086650 is about 1951.0699059643.

The spelling of 7427086650 in words is "seven billion, four hundred twenty-seven million, eighty-six thousand, six hundred fifty".