7645086436 has 24 divisors (see below), whose sum is σ = 14410973304. Its totient is φ = 3527784960.

The previous prime is 7645086419. The next prime is 7645086461. The reversal of 7645086436 is 6346805467.

It can be written as a sum of positive squares in 4 ways, for example, as 161798400 + 7483288036 = 12720^2 + 86506^2 .

It is a super-2 number, since 2×7645086436² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7645086436.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311676 + ... + 335308.

It is an arithmetic number, because the mean of its divisors is an integer number (600457221).

Almost surely, 2^7645086436 is an apocalyptic number.

It is an amenable number.

7645086436 is a deficient number, since it is larger than the sum of its proper divisors (6765886868).

7645086436 is a wasteful number, since it uses less digits than its factorization.

7645086436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29871 (or 29869 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The square root of 7645086436 is about 87436.1849350714. The cubic root of 7645086436 is about 1969.9753865014.

The spelling of 7645086436 in words is "seven billion, six hundred forty-five million, eighty-six thousand, four hundred thirty-six".