7640516 has 12 divisors (see below), whose sum is σ = 14399532. Its totient is φ = 3526368.

The previous prime is 7640483. The next prime is 7640519. The reversal of 7640516 is 6150467.

It can be written as a sum of positive squares in 2 ways, for example, as 2560000 + 5080516 = 1600^2 + 2254^2 .

It is not an unprimeable number, because it can be changed into a prime (7640519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73415 + ... + 73518.

It is an arithmetic number, because the mean of its divisors is an integer number (1199961).

Almost surely, 2^7640516 is an apocalyptic number.

It is an amenable number.

7640516 is a deficient number, since it is larger than the sum of its proper divisors (6759016).

7640516 is a wasteful number, since it uses less digits than its factorization.

7640516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146950 (or 146948 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7640516 is about 2764.1483317651. The cubic root of 7640516 is about 196.9582740353.

The spelling of 7640516 in words is "seven million, six hundred forty thousand, five hundred sixteen".