7491049 has 2 divisors, whose sum is σ = 7491050. Its totient is φ = 7491048.

The previous prime is 7491007. The next prime is 7491059. The reversal of 7491049 is 9401947.

7491049 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., 7463824 + 27225 = 2732^2 + 165^2 .

It is an emirp because it is prime and its reverse (9401947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7491049 - 2⁹ = 7490537 is a prime.

It is a super-2 number, since 2×7491049² = 112231630240802, which contains 22 as substring.

7491049 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7491059) 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, 3745524 + 3745525.

It is an arithmetic number, because the mean of its divisors is an integer number (3745525).

Almost surely, 2^7491049 is an apocalyptic number.

It is an amenable number.

7491049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7491049 is an equidigital number, since it uses as much as digits as its factorization.

7491049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 7491049 is about 2736.9780781000. The cubic root of 7491049 is about 195.6654799918.

It can be divided in two parts, 7 and 491049, that multiplied together give a palindrome (3437343).

The spelling of 7491049 in words is "seven million, four hundred ninety-one thousand, forty-nine".