7650418 has 4 divisors (see below), whose sum is σ = 11475630. Its totient is φ = 3825208.

The previous prime is 7650413. The next prime is 7650451. The reversal of 7650418 is 8140567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8140567 = 67 ⋅121501.

It can be written as a sum of positive squares in only one way, i.e., 6827769 + 822649 = 2613^2 + 907^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 7650418.

It is not an unprimeable number, because it can be changed into a prime (7650413) 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, 1912603 + ... + 1912606.

Almost surely, 2^7650418 is an apocalyptic number.

7650418 is a deficient number, since it is larger than the sum of its proper divisors (3825212).

7650418 is a wasteful number, since it uses less digits than its factorization.

7650418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825211.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 7650418 is about 2765.9389002652. The cubic root of 7650418 is about 197.0433223455.

The spelling of 7650418 in words is "seven million, six hundred fifty thousand, four hundred eighteen".