7640536 has 16 divisors (see below), whose sum is σ = 14391000. Its totient is φ = 3802944.

The previous prime is 7640519. The next prime is 7640579. The reversal of 7640536 is 6350467.

It is a junction number, because it is equal to n+sod(n) for n = 7640498 and 7640507.

It is a congruent number.

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, 186 + ... + 3913.

Almost surely, 2^7640536 is an apocalyptic number.

It is an amenable number.

7640536 is a deficient number, since it is larger than the sum of its proper divisors (6750464).

7640536 is a wasteful number, since it uses less digits than its factorization.

7640536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338 (or 4334 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 7640536 is about 2764.1519495136. The cubic root of 7640536 is about 196.9584458894.

The spelling of 7640536 in words is "seven million, six hundred forty thousand, five hundred thirty-six".