7418849 has 2 divisors, whose sum is σ = 7418850. Its totient is φ = 7418848.

The previous prime is 7418839. The next prime is 7418863. The reversal of 7418849 is 9488147.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7398400 + 20449 = 2720^2 + 143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7418849 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7418839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3709424 + 3709425.

It is an arithmetic number, because the mean of its divisors is an integer number (3709425).

Almost surely, 2^7418849 is an apocalyptic number.

It is an amenable number.

7418849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7418849 is an equidigital number, since it uses as much as digits as its factorization.

7418849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 7418849 is about 2723.7564134849. The cubic root of 7418849 is about 195.0348305085.

The spelling of 7418849 in words is "seven million, four hundred eighteen thousand, eight hundred forty-nine".