7640933 has 2 divisors, whose sum is σ = 7640934. Its totient is φ = 7640932.

The previous prime is 7640929. The next prime is 7640987. The reversal of 7640933 is 3390467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4761124 + 2879809 = 2182^2 + 1697^2 .

It is a cyclic number.

It is not a de Polignac number, because 7640933 - 2² = 7640929 is a prime.

It is a super-2 number, since 2×7640933² = 116767714220978, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7640933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7640903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3820466 + 3820467.

It is an arithmetic number, because the mean of its divisors is an integer number (3820467).

Almost surely, 2^7640933 is an apocalyptic number.

It is an amenable number.

7640933 is a deficient number, since it is larger than the sum of its proper divisors (1).

7640933 is an equidigital number, since it uses as much as digits as its factorization.

7640933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 7640933 is about 2764.2237608414. The cubic root of 7640933 is about 196.9618571313.

The spelling of 7640933 in words is "seven million, six hundred forty thousand, nine hundred thirty-three".