7504481 has 2 divisors, whose sum is σ = 7504482. Its totient is φ = 7504480.

The previous prime is 7504459. The next prime is 7504501. The reversal of 7504481 is 1844057.

7504481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5569600 + 1934881 = 2360^2 + 1391^2 .

It is a cyclic number.

It is not a de Polignac number, because 7504481 - 2¹⁸ = 7242337 is a prime.

It is a super-2 number, since 2×7504481² = 112634470158722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7504421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752240 + 3752241.

It is an arithmetic number, because the mean of its divisors is an integer number (3752241).

Almost surely, 2^7504481 is an apocalyptic number.

It is an amenable number.

7504481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7504481 is an equidigital number, since it uses as much as digits as its factorization.

7504481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 7504481 is about 2739.4307802899. The cubic root of 7504481 is about 195.7823576793.

The spelling of 7504481 in words is "seven million, five hundred four thousand, four hundred eighty-one".