7449487 has 2 divisors, whose sum is σ = 7449488. Its totient is φ = 7449486.

The previous prime is 7449473. The next prime is 7449509. The reversal of 7449487 is 7849447.

It is a happy number.

7449487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7449487 - 2¹¹ = 7447439 is a prime.

7449487 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7449187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3724743 + 3724744.

It is an arithmetic number, because the mean of its divisors is an integer number (3724744).

Almost surely, 2^7449487 is an apocalyptic number.

7449487 is a deficient number, since it is larger than the sum of its proper divisors (1).

7449487 is an equidigital number, since it uses as much as digits as its factorization.

7449487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 43.

The square root of 7449487 is about 2729.3748368445. The cubic root of 7449487 is about 195.3029435367.

The spelling of 7449487 in words is "seven million, four hundred forty-nine thousand, four hundred eighty-seven".