7750481 has 2 divisors, whose sum is σ = 7750482. Its totient is φ = 7750480.

The previous prime is 7750459. The next prime is 7750507. The reversal of 7750481 is 1840577.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5452225 + 2298256 = 2335^2 + 1516^2 .

It is an emirp because it is prime and its reverse (1840577) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7750481 - 2¹⁰ = 7749457 is a prime.

It is a super-2 number, since 2×7750481² = 120139911462722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7750381) 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 as a sum of consecutive naturals, namely, 3875240 + 3875241.

It is an arithmetic number, because the mean of its divisors is an integer number (3875241).

Almost surely, 2^7750481 is an apocalyptic number.

It is an amenable number.

7750481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7750481 is an equidigital number, since it uses as much as digits as its factorization.

7750481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 7750481 is about 2783.9685702249. The cubic root of 7750481 is about 197.8986744765.

The spelling of 7750481 in words is "seven million, seven hundred fifty thousand, four hundred eighty-one".